Home / 156,927.78-216,565.08-88,944.90

Finding the Fourth Proportional to 156,927.78, 216,565.08 and 88,944.90

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Solution

The fourth proportional to 156,927.78, 216,565.08 and 88,944.90 is: 122,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,927.78 : 216,565.08 = 88,944.90 : x
  2. Step 2: Convert to fraction form
    156,927.78/216,565.08 = 88,944.90/x
  3. Step 3: Cross multiply
    156,927.78x = 216,565.08 × 88,944.90
  4. Step 4: Simplify right side
    156,927.78x = 19,262,359,384.09
  5. Step 5: Solve for x
    x = 19,262,359,384.09/156,927.78
  6. Step 6: Final answer
    x = 122,746.65

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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.