Home / 155,839.95-233,491.35-121,714.56

Finding the Fourth Proportional to 155,839.95, 233,491.35 and 121,714.56

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Solution

The fourth proportional to 155,839.95, 233,491.35 and 121,714.56 is: 182,362.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,839.95 : 233,491.35 = 121,714.56 : x
  2. Step 2: Convert to fraction form
    155,839.95/233,491.35 = 121,714.56/x
  3. Step 3: Cross multiply
    155,839.95x = 233,491.35 × 121,714.56
  4. Step 4: Simplify right side
    155,839.95x = 28,419,296,929.06
  5. Step 5: Solve for x
    x = 28,419,296,929.06/155,839.95
  6. Step 6: Final answer
    x = 182,362.08

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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.