Home / 185,761.04-256,366.20-105,202.76

Finding the Fourth Proportional to 185,761.04, 256,366.20 and 105,202.76

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Solution

The fourth proportional to 185,761.04, 256,366.20 and 105,202.76 is: 145,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.04 : 256,366.20 = 105,202.76 : x
  2. Step 2: Convert to fraction form
    185,761.04/256,366.20 = 105,202.76/x
  3. Step 3: Cross multiply
    185,761.04x = 256,366.20 × 105,202.76
  4. Step 4: Simplify right side
    185,761.04x = 26,970,431,810.71
  5. Step 5: Solve for x
    x = 26,970,431,810.71/185,761.04
  6. Step 6: Final answer
    x = 145,188.85

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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.