Home / 185,424.30-278,136.45-92,112.30

Finding the Fourth Proportional to 185,424.30, 278,136.45 and 92,112.30

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Solution

The fourth proportional to 185,424.30, 278,136.45 and 92,112.30 is: 138,168.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,424.30 : 278,136.45 = 92,112.30 : x
  2. Step 2: Convert to fraction form
    185,424.30/278,136.45 = 92,112.30/x
  3. Step 3: Cross multiply
    185,424.30x = 278,136.45 × 92,112.30
  4. Step 4: Simplify right side
    185,424.30x = 25,619,788,123.34
  5. Step 5: Solve for x
    x = 25,619,788,123.34/185,424.30
  6. Step 6: Final answer
    x = 138,168.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.