Home / 113,351.10-169,915.05-63,455.10

Finding the Fourth Proportional to 113,351.10, 169,915.05 and 63,455.10

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Solution

The fourth proportional to 113,351.10, 169,915.05 and 63,455.10 is: 95,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,351.10 : 169,915.05 = 63,455.10 : x
  2. Step 2: Convert to fraction form
    113,351.10/169,915.05 = 63,455.10/x
  3. Step 3: Cross multiply
    113,351.10x = 169,915.05 × 63,455.10
  4. Step 4: Simplify right side
    113,351.10x = 10,781,976,489.26
  5. Step 5: Solve for x
    x = 10,781,976,489.26/113,351.10
  6. Step 6: Final answer
    x = 95,120.18

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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.