Home / 185,715.81-256,294.04-104,047.61

Finding the Fourth Proportional to 185,715.81, 256,294.04 and 104,047.61

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Solution

The fourth proportional to 185,715.81, 256,294.04 and 104,047.61 is: 143,589.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,715.81 : 256,294.04 = 104,047.61 : x
  2. Step 2: Convert to fraction form
    185,715.81/256,294.04 = 104,047.61/x
  3. Step 3: Cross multiply
    185,715.81x = 256,294.04 × 104,047.61
  4. Step 4: Simplify right side
    185,715.81x = 26,666,780,517.54
  5. Step 5: Solve for x
    x = 26,666,780,517.54/185,715.81
  6. Step 6: Final answer
    x = 143,589.18

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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.