Home / 189,767.40-284,646.55-61,683.53

Finding the Fourth Proportional to 189,767.40, 284,646.55 and 61,683.53

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Solution

The fourth proportional to 189,767.40, 284,646.55 and 61,683.53 is: 92,523.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,767.40 : 284,646.55 = 61,683.53 : x
  2. Step 2: Convert to fraction form
    189,767.40/284,646.55 = 61,683.53/x
  3. Step 3: Cross multiply
    189,767.40x = 284,646.55 × 61,683.53
  4. Step 4: Simplify right side
    189,767.40x = 17,558,002,583.09
  5. Step 5: Solve for x
    x = 17,558,002,583.09/189,767.40
  6. Step 6: Final answer
    x = 92,523.81

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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.