Home / 113,451.08-156,560.94-63,150.12

Finding the Fourth Proportional to 113,451.08, 156,560.94 and 63,150.12

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Solution

The fourth proportional to 113,451.08, 156,560.94 and 63,150.12 is: 87,146.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,451.08 : 156,560.94 = 63,150.12 : x
  2. Step 2: Convert to fraction form
    113,451.08/156,560.94 = 63,150.12/x
  3. Step 3: Cross multiply
    113,451.08x = 156,560.94 × 63,150.12
  4. Step 4: Simplify right side
    113,451.08x = 9,886,842,148.31
  5. Step 5: Solve for x
    x = 9,886,842,148.31/113,451.08
  6. Step 6: Final answer
    x = 87,146.30

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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.