Home / 145,831.60-218,747.40-101,594.80

Finding the Fourth Proportional to 145,831.60, 218,747.40 and 101,594.80

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Solution

The fourth proportional to 145,831.60, 218,747.40 and 101,594.80 is: 152,392.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,831.60 : 218,747.40 = 101,594.80 : x
  2. Step 2: Convert to fraction form
    145,831.60/218,747.40 = 101,594.80/x
  3. Step 3: Cross multiply
    145,831.60x = 218,747.40 × 101,594.80
  4. Step 4: Simplify right side
    145,831.60x = 22,223,598,353.52
  5. Step 5: Solve for x
    x = 22,223,598,353.52/145,831.60
  6. Step 6: Final answer
    x = 152,392.20

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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.