Home / 165,621.30-248,445.45-70,852.20

Finding the Fourth Proportional to 165,621.30, 248,445.45 and 70,852.20

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Solution

The fourth proportional to 165,621.30, 248,445.45 and 70,852.20 is: 106,284.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621.30 : 248,445.45 = 70,852.20 : x
  2. Step 2: Convert to fraction form
    165,621.30/248,445.45 = 70,852.20/x
  3. Step 3: Cross multiply
    165,621.30x = 248,445.45 × 70,852.20
  4. Step 4: Simplify right side
    165,621.30x = 17,602,906,712.49
  5. Step 5: Solve for x
    x = 17,602,906,712.49/165,621.30
  6. Step 6: Final answer
    x = 106,284.08

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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.