Home / 157,644.20-236,466.30-148,428.20

Finding the Fourth Proportional to 157,644.20, 236,466.30 and 148,428.20

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Solution

The fourth proportional to 157,644.20, 236,466.30 and 148,428.20 is: 222,642.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,644.20 : 236,466.30 = 148,428.20 : x
  2. Step 2: Convert to fraction form
    157,644.20/236,466.30 = 148,428.20/x
  3. Step 3: Cross multiply
    157,644.20x = 236,466.30 × 148,428.20
  4. Step 4: Simplify right side
    157,644.20x = 35,098,267,269.66
  5. Step 5: Solve for x
    x = 35,098,267,269.66/157,644.20
  6. Step 6: Final answer
    x = 222,642.30

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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.