Home / 268,962.30-403,443.45-156,769.20

Finding the Fourth Proportional to 268,962.30, 403,443.45 and 156,769.20

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Solution

The fourth proportional to 268,962.30, 403,443.45 and 156,769.20 is: 235,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,962.30 : 403,443.45 = 156,769.20 : x
  2. Step 2: Convert to fraction form
    268,962.30/403,443.45 = 156,769.20/x
  3. Step 3: Cross multiply
    268,962.30x = 403,443.45 × 156,769.20
  4. Step 4: Simplify right side
    268,962.30x = 63,247,506,901.74
  5. Step 5: Solve for x
    x = 63,247,506,901.74/268,962.30
  6. Step 6: Final answer
    x = 235,153.80

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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.