Home / 258,001.47-387,006.66-89,527.68

Finding the Fourth Proportional to 258,001.47, 387,006.66 and 89,527.68

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Solution

The fourth proportional to 258,001.47, 387,006.66 and 89,527.68 is: 134,293.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,001.47 : 387,006.66 = 89,527.68 : x
  2. Step 2: Convert to fraction form
    258,001.47/387,006.66 = 89,527.68/x
  3. Step 3: Cross multiply
    258,001.47x = 387,006.66 × 89,527.68
  4. Step 4: Simplify right side
    258,001.47x = 34,647,808,414.35
  5. Step 5: Solve for x
    x = 34,647,808,414.35/258,001.47
  6. Step 6: Final answer
    x = 134,293.07

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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.