Home / 220,820.40-331,248.60-94,461.60

Finding the Fourth Proportional to 220,820.40, 331,248.60 and 94,461.60

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Solution

The fourth proportional to 220,820.40, 331,248.60 and 94,461.60 is: 141,700.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,820.40 : 331,248.60 = 94,461.60 : x
  2. Step 2: Convert to fraction form
    220,820.40/331,248.60 = 94,461.60/x
  3. Step 3: Cross multiply
    220,820.40x = 331,248.60 × 94,461.60
  4. Step 4: Simplify right side
    220,820.40x = 31,290,272,753.76
  5. Step 5: Solve for x
    x = 31,290,272,753.76/220,820.40
  6. Step 6: Final answer
    x = 141,700.10

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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.