Home / 114,831.25-158,498.30-74,542.66

Finding the Fourth Proportional to 114,831.25, 158,498.30 and 74,542.66

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Solution

The fourth proportional to 114,831.25, 158,498.30 and 74,542.66 is: 102,889.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,831.25 : 158,498.30 = 74,542.66 : x
  2. Step 2: Convert to fraction form
    114,831.25/158,498.30 = 74,542.66/x
  3. Step 3: Cross multiply
    114,831.25x = 158,498.30 × 74,542.66
  4. Step 4: Simplify right side
    114,831.25x = 11,814,884,887.48
  5. Step 5: Solve for x
    x = 11,814,884,887.48/114,831.25
  6. Step 6: Final answer
    x = 102,889.11

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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.