Home / 185,706.04-256,290.20-105,147.76

Finding the Fourth Proportional to 185,706.04, 256,290.20 and 105,147.76

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Solution

The fourth proportional to 185,706.04, 256,290.20 and 105,147.76 is: 145,112.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,706.04 : 256,290.20 = 105,147.76 : x
  2. Step 2: Convert to fraction form
    185,706.04/256,290.20 = 105,147.76/x
  3. Step 3: Cross multiply
    185,706.04x = 256,290.20 × 105,147.76
  4. Step 4: Simplify right side
    185,706.04x = 26,948,340,439.95
  5. Step 5: Solve for x
    x = 26,948,340,439.95/185,706.04
  6. Step 6: Final answer
    x = 145,112.89

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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.