Home / 113,531.25-156,677.99-63,230.25

Finding the Fourth Proportional to 113,531.25, 156,677.99 and 63,230.25

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Solution

The fourth proportional to 113,531.25, 156,677.99 and 63,230.25 is: 87,260.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,531.25 : 156,677.99 = 63,230.25 : x
  2. Step 2: Convert to fraction form
    113,531.25/156,677.99 = 63,230.25/x
  3. Step 3: Cross multiply
    113,531.25x = 156,677.99 × 63,230.25
  4. Step 4: Simplify right side
    113,531.25x = 9,906,788,161.05
  5. Step 5: Solve for x
    x = 9,906,788,161.05/113,531.25
  6. Step 6: Final answer
    x = 87,260.45

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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.