Home / 114,342.30-171,481.02-72,159.18

Finding the Fourth Proportional to 114,342.30, 171,481.02 and 72,159.18

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Solution

The fourth proportional to 114,342.30, 171,481.02 and 72,159.18 is: 108,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,342.30 : 171,481.02 = 72,159.18 : x
  2. Step 2: Convert to fraction form
    114,342.30/171,481.02 = 72,159.18/x
  3. Step 3: Cross multiply
    114,342.30x = 171,481.02 × 72,159.18
  4. Step 4: Simplify right side
    114,342.30x = 12,373,929,788.76
  5. Step 5: Solve for x
    x = 12,373,929,788.76/114,342.30
  6. Step 6: Final answer
    x = 108,218.30

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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.