Home / 185,948.72-256,611.24-101,065.80

Finding the Fourth Proportional to 185,948.72, 256,611.24 and 101,065.80

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Solution

The fourth proportional to 185,948.72, 256,611.24 and 101,065.80 is: 139,471.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,948.72 : 256,611.24 = 101,065.80 : x
  2. Step 2: Convert to fraction form
    185,948.72/256,611.24 = 101,065.80/x
  3. Step 3: Cross multiply
    185,948.72x = 256,611.24 × 101,065.80
  4. Step 4: Simplify right side
    185,948.72x = 25,934,620,259.59
  5. Step 5: Solve for x
    x = 25,934,620,259.59/185,948.72
  6. Step 6: Final answer
    x = 139,471.89

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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.