Home / 118,864.17-178,000.49-83,158.34

Finding the Fourth Proportional to 118,864.17, 178,000.49 and 83,158.34

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Solution

The fourth proportional to 118,864.17, 178,000.49 and 83,158.34 is: 124,530.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,864.17 : 178,000.49 = 83,158.34 : x
  2. Step 2: Convert to fraction form
    118,864.17/178,000.49 = 83,158.34/x
  3. Step 3: Cross multiply
    118,864.17x = 178,000.49 × 83,158.34
  4. Step 4: Simplify right side
    118,864.17x = 14,802,223,961.79
  5. Step 5: Solve for x
    x = 14,802,223,961.79/118,864.17
  6. Step 6: Final answer
    x = 124,530.58

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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.