Home / 106,400.74-146,831.24-58,003.20

Finding the Fourth Proportional to 106,400.74, 146,831.24 and 58,003.20

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Solution

The fourth proportional to 106,400.74, 146,831.24 and 58,003.20 is: 80,043.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,400.74 : 146,831.24 = 58,003.20 : x
  2. Step 2: Convert to fraction form
    106,400.74/146,831.24 = 58,003.20/x
  3. Step 3: Cross multiply
    106,400.74x = 146,831.24 × 58,003.20
  4. Step 4: Simplify right side
    106,400.74x = 8,516,681,779.97
  5. Step 5: Solve for x
    x = 8,516,681,779.97/106,400.74
  6. Step 6: Final answer
    x = 80,043.44

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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.