Home / 113,396.16-156,489.12-63,098.40

Finding the Fourth Proportional to 113,396.16, 156,489.12 and 63,098.40

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Solution

The fourth proportional to 113,396.16, 156,489.12 and 63,098.40 is: 87,077.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,396.16 : 156,489.12 = 63,098.40 : x
  2. Step 2: Convert to fraction form
    113,396.16/156,489.12 = 63,098.40/x
  3. Step 3: Cross multiply
    113,396.16x = 156,489.12 × 63,098.40
  4. Step 4: Simplify right side
    113,396.16x = 9,874,213,089.41
  5. Step 5: Solve for x
    x = 9,874,213,089.41/113,396.16
  6. Step 6: Final answer
    x = 87,077.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.