Home / 165,888,127.20-248,832,190.80-148,420,120.80

Finding the Fourth Proportional to 165,888,127.20, 248,832,190.80 and 148,420,120.80

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Solution

The fourth proportional to 165,888,127.20, 248,832,190.80 and 148,420,120.80 is: 222,630,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,888,127.20 : 248,832,190.80 = 148,420,120.80 : x
  2. Step 2: Convert to fraction form
    165,888,127.20/248,832,190.80 = 148,420,120.80/x
  3. Step 3: Cross multiply
    165,888,127.20x = 248,832,190.80 × 148,420,120.80
  4. Step 4: Simplify right side
    165,888,127.20x = 36,931,703,817,464,656
  5. Step 5: Solve for x
    x = 36,931,703,817,464,656/165,888,127.20
  6. Step 6: Final answer
    x = 222,630,181.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.