Home / 160,123.32-220,981.62-88,501.79

Finding the Fourth Proportional to 160,123.32, 220,981.62 and 88,501.79

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Solution

The fourth proportional to 160,123.32, 220,981.62 and 88,501.79 is: 122,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,123.32 : 220,981.62 = 88,501.79 : x
  2. Step 2: Convert to fraction form
    160,123.32/220,981.62 = 88,501.79/x
  3. Step 3: Cross multiply
    160,123.32x = 220,981.62 × 88,501.79
  4. Step 4: Simplify right side
    160,123.32x = 19,557,268,927.10
  5. Step 5: Solve for x
    x = 19,557,268,927.10/160,123.32
  6. Step 6: Final answer
    x = 122,138.79

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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.