Home / 150,518.16-225,582-112,780.80

Finding the Fourth Proportional to 150,518.16, 225,582 and 112,780.80

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Solution

The fourth proportional to 150,518.16, 225,582 and 112,780.80 is: 169,024.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,518.16 : 225,582 = 112,780.80 : x
  2. Step 2: Convert to fraction form
    150,518.16/225,582 = 112,780.80/x
  3. Step 3: Cross multiply
    150,518.16x = 225,582 × 112,780.80
  4. Step 4: Simplify right side
    150,518.16x = 25,441,318,425.60
  5. Step 5: Solve for x
    x = 25,441,318,425.60/150,518.16
  6. Step 6: Final answer
    x = 169,024.91

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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.