Home / 156,776.38-216,354.18-88,807.36

Finding the Fourth Proportional to 156,776.38, 216,354.18 and 88,807.36

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Solution

The fourth proportional to 156,776.38, 216,354.18 and 88,807.36 is: 122,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,776.38 : 216,354.18 = 88,807.36 : x
  2. Step 2: Convert to fraction form
    156,776.38/216,354.18 = 88,807.36/x
  3. Step 3: Cross multiply
    156,776.38x = 216,354.18 × 88,807.36
  4. Step 4: Simplify right side
    156,776.38x = 19,213,843,550.76
  5. Step 5: Solve for x
    x = 19,213,843,550.76/156,776.38
  6. Step 6: Final answer
    x = 122,555.73

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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.