Home / 191,521.16-287,082.17-107,157.63

Finding the Fourth Proportional to 191,521.16, 287,082.17 and 107,157.63

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Solution

The fourth proportional to 191,521.16, 287,082.17 and 107,157.63 is: 160,624.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,521.16 : 287,082.17 = 107,157.63 : x
  2. Step 2: Convert to fraction form
    191,521.16/287,082.17 = 107,157.63/x
  3. Step 3: Cross multiply
    191,521.16x = 287,082.17 × 107,157.63
  4. Step 4: Simplify right side
    191,521.16x = 30,763,046,497.83
  5. Step 5: Solve for x
    x = 30,763,046,497.83/191,521.16
  6. Step 6: Final answer
    x = 160,624.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.