Home / 178,155.60-267,233.40-162,085.20

Finding the Fourth Proportional to 178,155.60, 267,233.40 and 162,085.20

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Solution

The fourth proportional to 178,155.60, 267,233.40 and 162,085.20 is: 243,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,155.60 : 267,233.40 = 162,085.20 : x
  2. Step 2: Convert to fraction form
    178,155.60/267,233.40 = 162,085.20/x
  3. Step 3: Cross multiply
    178,155.60x = 267,233.40 × 162,085.20
  4. Step 4: Simplify right side
    178,155.60x = 43,314,579,085.68
  5. Step 5: Solve for x
    x = 43,314,579,085.68/178,155.60
  6. Step 6: Final answer
    x = 243,127.80

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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.