Home / 189,756.27-284,681.13-133,705.86

Finding the Fourth Proportional to 189,756.27, 284,681.13 and 133,705.86

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Solution

The fourth proportional to 189,756.27, 284,681.13 and 133,705.86 is: 200,591.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,756.27 : 284,681.13 = 133,705.86 : x
  2. Step 2: Convert to fraction form
    189,756.27/284,681.13 = 133,705.86/x
  3. Step 3: Cross multiply
    189,756.27x = 284,681.13 × 133,705.86
  4. Step 4: Simplify right side
    189,756.27x = 38,063,535,312.42
  5. Step 5: Solve for x
    x = 38,063,535,312.42/189,756.27
  6. Step 6: Final answer
    x = 200,591.71

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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.