Home / 351,553.47-527,330.85-127,072.38

Finding the Fourth Proportional to 351,553.47, 527,330.85 and 127,072.38

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Solution

The fourth proportional to 351,553.47, 527,330.85 and 127,072.38 is: 190,608.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,553.47 : 527,330.85 = 127,072.38 : x
  2. Step 2: Convert to fraction form
    351,553.47/527,330.85 = 127,072.38/x
  3. Step 3: Cross multiply
    351,553.47x = 527,330.85 × 127,072.38
  4. Step 4: Simplify right side
    351,553.47x = 67,009,186,156.92
  5. Step 5: Solve for x
    x = 67,009,186,156.92/351,553.47
  6. Step 6: Final answer
    x = 190,608.80

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1.5x scale

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.