Home / 124,553.43-171,831.38-86,849.55

Finding the Fourth Proportional to 124,553.43, 171,831.38 and 86,849.55

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Solution

The fourth proportional to 124,553.43, 171,831.38 and 86,849.55 is: 119,815.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,553.43 : 171,831.38 = 86,849.55 : x
  2. Step 2: Convert to fraction form
    124,553.43/171,831.38 = 86,849.55/x
  3. Step 3: Cross multiply
    124,553.43x = 171,831.38 × 86,849.55
  4. Step 4: Simplify right side
    124,553.43x = 14,923,477,594.63
  5. Step 5: Solve for x
    x = 14,923,477,594.63/124,553.43
  6. Step 6: Final answer
    x = 119,815.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.