Home / 157,831.30-236,759.28-52,650.16

Finding the Fourth Proportional to 157,831.30, 236,759.28 and 52,650.16

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Solution

The fourth proportional to 157,831.30, 236,759.28 and 52,650.16 is: 78,979.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,831.30 : 236,759.28 = 52,650.16 : x
  2. Step 2: Convert to fraction form
    157,831.30/236,759.28 = 52,650.16/x
  3. Step 3: Cross multiply
    157,831.30x = 236,759.28 × 52,650.16
  4. Step 4: Simplify right side
    157,831.30x = 12,465,413,973.48
  5. Step 5: Solve for x
    x = 12,465,413,973.48/157,831.30
  6. Step 6: Final answer
    x = 78,979.35

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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.