Home / 113,415.28-156,511.83-62,426.91

Finding the Fourth Proportional to 113,415.28, 156,511.83 and 62,426.91

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Solution

The fourth proportional to 113,415.28, 156,511.83 and 62,426.91 is: 86,148.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,415.28 : 156,511.83 = 62,426.91 : x
  2. Step 2: Convert to fraction form
    113,415.28/156,511.83 = 62,426.91/x
  3. Step 3: Cross multiply
    113,415.28x = 156,511.83 × 62,426.91
  4. Step 4: Simplify right side
    113,415.28x = 9,770,549,925.35
  5. Step 5: Solve for x
    x = 9,770,549,925.35/113,415.28
  6. Step 6: Final answer
    x = 86,148.45

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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.