Home / 261,001.36-391,527.96-83,463.76

Finding the Fourth Proportional to 261,001.36, 391,527.96 and 83,463.76

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Solution

The fourth proportional to 261,001.36, 391,527.96 and 83,463.76 is: 125,203.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,001.36 : 391,527.96 = 83,463.76 : x
  2. Step 2: Convert to fraction form
    261,001.36/391,527.96 = 83,463.76/x
  3. Step 3: Cross multiply
    261,001.36x = 391,527.96 × 83,463.76
  4. Step 4: Simplify right side
    261,001.36x = 32,678,395,686.73
  5. Step 5: Solve for x
    x = 32,678,395,686.73/261,001.36
  6. Step 6: Final answer
    x = 125,203.93

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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.