Home / 151,332.20-208,835.86-83,355.53

Finding the Fourth Proportional to 151,332.20, 208,835.86 and 83,355.53

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Solution

The fourth proportional to 151,332.20, 208,835.86 and 83,355.53 is: 115,029.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,332.20 : 208,835.86 = 83,355.53 : x
  2. Step 2: Convert to fraction form
    151,332.20/208,835.86 = 83,355.53/x
  3. Step 3: Cross multiply
    151,332.20x = 208,835.86 × 83,355.53
  4. Step 4: Simplify right side
    151,332.20x = 17,407,623,062.83
  5. Step 5: Solve for x
    x = 17,407,623,062.83/151,332.20
  6. Step 6: Final answer
    x = 115,029.21

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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.