Home / 178,225.72-267,294.75-78,411.04

Finding the Fourth Proportional to 178,225.72, 267,294.75 and 78,411.04

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Solution

The fourth proportional to 178,225.72, 267,294.75 and 78,411.04 is: 117,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,225.72 : 267,294.75 = 78,411.04 : x
  2. Step 2: Convert to fraction form
    178,225.72/267,294.75 = 78,411.04/x
  3. Step 3: Cross multiply
    178,225.72x = 267,294.75 × 78,411.04
  4. Step 4: Simplify right side
    178,225.72x = 20,958,859,334.04
  5. Step 5: Solve for x
    x = 20,958,859,334.04/178,225.72
  6. Step 6: Final answer
    x = 117,597.28

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1.5x scale

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.