Home / 178,302.89-267,204.65-128,147.69

Finding the Fourth Proportional to 178,302.89, 267,204.65 and 128,147.69

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Solution

The fourth proportional to 178,302.89, 267,204.65 and 128,147.69 is: 192,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,302.89 : 267,204.65 = 128,147.69 : x
  2. Step 2: Convert to fraction form
    178,302.89/267,204.65 = 128,147.69/x
  3. Step 3: Cross multiply
    178,302.89x = 267,204.65 × 128,147.69
  4. Step 4: Simplify right side
    178,302.89x = 34,241,658,682.03
  5. Step 5: Solve for x
    x = 34,241,658,682.03/178,302.89
  6. Step 6: Final answer
    x = 192,042.08

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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.