Home / 157,831.79-236,760.03-52,650.68

Finding the Fourth Proportional to 157,831.79, 236,760.03 and 52,650.68

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Solution

The fourth proportional to 157,831.79, 236,760.03 and 52,650.68 is: 78,980.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,831.79 : 236,760.03 = 52,650.68 : x
  2. Step 2: Convert to fraction form
    157,831.79/236,760.03 = 52,650.68/x
  3. Step 3: Cross multiply
    157,831.79x = 236,760.03 × 52,650.68
  4. Step 4: Simplify right side
    157,831.79x = 12,465,575,392.52
  5. Step 5: Solve for x
    x = 12,465,575,392.52/157,831.79
  6. Step 6: Final answer
    x = 78,980.13

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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.