Home / 187,275.47-280,939.86-60,875.08

Finding the Fourth Proportional to 187,275.47, 280,939.86 and 60,875.08

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Solution

The fourth proportional to 187,275.47, 280,939.86 and 60,875.08 is: 91,321.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,275.47 : 280,939.86 = 60,875.08 : x
  2. Step 2: Convert to fraction form
    187,275.47/280,939.86 = 60,875.08/x
  3. Step 3: Cross multiply
    187,275.47x = 280,939.86 × 60,875.08
  4. Step 4: Simplify right side
    187,275.47x = 17,102,236,452.69
  5. Step 5: Solve for x
    x = 17,102,236,452.69/187,275.47
  6. Step 6: Final answer
    x = 91,321.28

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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.