Home / 187,500.68-258,784.56-105,853.76

Finding the Fourth Proportional to 187,500.68, 258,784.56 and 105,853.76

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Solution

The fourth proportional to 187,500.68, 258,784.56 and 105,853.76 is: 146,097.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,500.68 : 258,784.56 = 105,853.76 : x
  2. Step 2: Convert to fraction form
    187,500.68/258,784.56 = 105,853.76/x
  3. Step 3: Cross multiply
    187,500.68x = 258,784.56 × 105,853.76
  4. Step 4: Simplify right side
    187,500.68x = 27,393,318,705.95
  5. Step 5: Solve for x
    x = 27,393,318,705.95/187,500.68
  6. Step 6: Final answer
    x = 146,097.17

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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.