Home / 189,934.12-284,795.98-77,693.15

Finding the Fourth Proportional to 189,934.12, 284,795.98 and 77,693.15

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Solution

The fourth proportional to 189,934.12, 284,795.98 and 77,693.15 is: 116,496.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,934.12 : 284,795.98 = 77,693.15 : x
  2. Step 2: Convert to fraction form
    189,934.12/284,795.98 = 77,693.15/x
  3. Step 3: Cross multiply
    189,934.12x = 284,795.98 × 77,693.15
  4. Step 4: Simplify right side
    189,934.12x = 22,126,696,793.54
  5. Step 5: Solve for x
    x = 22,126,696,793.54/189,934.12
  6. Step 6: Final answer
    x = 116,496.69

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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.