Home / 185,704.17-256,269.25-105,129.62

Finding the Fourth Proportional to 185,704.17, 256,269.25 and 105,129.62

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Solution

The fourth proportional to 185,704.17, 256,269.25 and 105,129.62 is: 145,077.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,704.17 : 256,269.25 = 105,129.62 : x
  2. Step 2: Convert to fraction form
    185,704.17/256,269.25 = 105,129.62/x
  3. Step 3: Cross multiply
    185,704.17x = 256,269.25 × 105,129.62
  4. Step 4: Simplify right side
    185,704.17x = 26,941,488,870.19
  5. Step 5: Solve for x
    x = 26,941,488,870.19/185,704.17
  6. Step 6: Final answer
    x = 145,077.46

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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.