Home / 160,437.06-240,678.66-55,227.78

Finding the Fourth Proportional to 160,437.06, 240,678.66 and 55,227.78

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Solution

The fourth proportional to 160,437.06, 240,678.66 and 55,227.78 is: 82,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,437.06 : 240,678.66 = 55,227.78 : x
  2. Step 2: Convert to fraction form
    160,437.06/240,678.66 = 55,227.78/x
  3. Step 3: Cross multiply
    160,437.06x = 240,678.66 × 55,227.78
  4. Step 4: Simplify right side
    160,437.06x = 13,292,148,085.17
  5. Step 5: Solve for x
    x = 13,292,148,085.17/160,437.06
  6. Step 6: Final answer
    x = 82,849.61

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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.