Home / 187,001.14-258,080.24-111,549.64

Finding the Fourth Proportional to 187,001.14, 258,080.24 and 111,549.64

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Solution

The fourth proportional to 187,001.14, 258,080.24 and 111,549.64 is: 153,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,001.14 : 258,080.24 = 111,549.64 : x
  2. Step 2: Convert to fraction form
    187,001.14/258,080.24 = 111,549.64/x
  3. Step 3: Cross multiply
    187,001.14x = 258,080.24 × 111,549.64
  4. Step 4: Simplify right side
    187,001.14x = 28,788,757,863.11
  5. Step 5: Solve for x
    x = 28,788,757,863.11/187,001.14
  6. Step 6: Final answer
    x = 153,949.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.