Home / 113,187.20-156,198.32-62,886.20

Finding the Fourth Proportional to 113,187.20, 156,198.32 and 62,886.20

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Solution

The fourth proportional to 113,187.20, 156,198.32 and 62,886.20 is: 86,782.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,187.20 : 156,198.32 = 62,886.20 : x
  2. Step 2: Convert to fraction form
    113,187.20/156,198.32 = 62,886.20/x
  3. Step 3: Cross multiply
    113,187.20x = 156,198.32 × 62,886.20
  4. Step 4: Simplify right side
    113,187.20x = 9,822,717,695.76
  5. Step 5: Solve for x
    x = 9,822,717,695.76/113,187.20
  6. Step 6: Final answer
    x = 86,782.94

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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.