Home / 187,041.56-258,117.36-102,158.83

Finding the Fourth Proportional to 187,041.56, 258,117.36 and 102,158.83

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Solution

The fourth proportional to 187,041.56, 258,117.36 and 102,158.83 is: 140,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,041.56 : 258,117.36 = 102,158.83 : x
  2. Step 2: Convert to fraction form
    187,041.56/258,117.36 = 102,158.83/x
  3. Step 3: Cross multiply
    187,041.56x = 258,117.36 × 102,158.83
  4. Step 4: Simplify right side
    187,041.56x = 26,368,966,855.00
  5. Step 5: Solve for x
    x = 26,368,966,855.00/187,041.56
  6. Step 6: Final answer
    x = 140,979.18

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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.