Home / 165,643.20-248,464.80-60,503.19

Finding the Fourth Proportional to 165,643.20, 248,464.80 and 60,503.19

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Solution

The fourth proportional to 165,643.20, 248,464.80 and 60,503.19 is: 90,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,643.20 : 248,464.80 = 60,503.19 : x
  2. Step 2: Convert to fraction form
    165,643.20/248,464.80 = 60,503.19/x
  3. Step 3: Cross multiply
    165,643.20x = 248,464.80 × 60,503.19
  4. Step 4: Simplify right side
    165,643.20x = 15,032,913,002.71
  5. Step 5: Solve for x
    x = 15,032,913,002.71/165,643.20
  6. Step 6: Final answer
    x = 90,754.79

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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.