Home / 154,535.52-231,743.76-65,831.52

Finding the Fourth Proportional to 154,535.52, 231,743.76 and 65,831.52

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Solution

The fourth proportional to 154,535.52, 231,743.76 and 65,831.52 is: 98,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,535.52 : 231,743.76 = 65,831.52 : x
  2. Step 2: Convert to fraction form
    154,535.52/231,743.76 = 65,831.52/x
  3. Step 3: Cross multiply
    154,535.52x = 231,743.76 × 65,831.52
  4. Step 4: Simplify right side
    154,535.52x = 15,256,043,971.32
  5. Step 5: Solve for x
    x = 15,256,043,971.32/154,535.52
  6. Step 6: Final answer
    x = 98,721.92

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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.