Home / 178,551.50-267,902.35-111,139.89

Finding the Fourth Proportional to 178,551.50, 267,902.35 and 111,139.89

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Solution

The fourth proportional to 178,551.50, 267,902.35 and 111,139.89 is: 166,756.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,551.50 : 267,902.35 = 111,139.89 : x
  2. Step 2: Convert to fraction form
    178,551.50/267,902.35 = 111,139.89/x
  3. Step 3: Cross multiply
    178,551.50x = 267,902.35 × 111,139.89
  4. Step 4: Simplify right side
    178,551.50x = 29,774,637,154.04
  5. Step 5: Solve for x
    x = 29,774,637,154.04/178,551.50
  6. Step 6: Final answer
    x = 166,756.58

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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.