Home / 160,718.12-240,988.86-127,649.96

Finding the Fourth Proportional to 160,718.12, 240,988.86 and 127,649.96

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Solution

The fourth proportional to 160,718.12, 240,988.86 and 127,649.96 is: 191,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,718.12 : 240,988.86 = 127,649.96 : x
  2. Step 2: Convert to fraction form
    160,718.12/240,988.86 = 127,649.96/x
  3. Step 3: Cross multiply
    160,718.12x = 240,988.86 × 127,649.96
  4. Step 4: Simplify right side
    160,718.12x = 30,762,218,339.45
  5. Step 5: Solve for x
    x = 30,762,218,339.45/160,718.12
  6. Step 6: Final answer
    x = 191,404.79

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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.