Home / 157,217.64-217,033.46-92,666.53

Finding the Fourth Proportional to 157,217.64, 217,033.46 and 92,666.53

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Solution

The fourth proportional to 157,217.64, 217,033.46 and 92,666.53 is: 127,922.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,217.64 : 217,033.46 = 92,666.53 : x
  2. Step 2: Convert to fraction form
    157,217.64/217,033.46 = 92,666.53/x
  3. Step 3: Cross multiply
    157,217.64x = 217,033.46 × 92,666.53
  4. Step 4: Simplify right side
    157,217.64x = 20,111,737,632.09
  5. Step 5: Solve for x
    x = 20,111,737,632.09/157,217.64
  6. Step 6: Final answer
    x = 127,922.91

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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.