Home / 356,865.80-534,938.70-132,081.80

Finding the Fourth Proportional to 356,865.80, 534,938.70 and 132,081.80

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Solution

The fourth proportional to 356,865.80, 534,938.70 and 132,081.80 is: 197,989.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,865.80 : 534,938.70 = 132,081.80 : x
  2. Step 2: Convert to fraction form
    356,865.80/534,938.70 = 132,081.80/x
  3. Step 3: Cross multiply
    356,865.80x = 534,938.70 × 132,081.80
  4. Step 4: Simplify right side
    356,865.80x = 70,655,666,385.66
  5. Step 5: Solve for x
    x = 70,655,666,385.66/356,865.80
  6. Step 6: Final answer
    x = 197,989.46

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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.