Home / 382,123.80-526,775.04-267,045.15

Finding the Fourth Proportional to 382,123.80, 526,775.04 and 267,045.15

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Solution

The fourth proportional to 382,123.80, 526,775.04 and 267,045.15 is: 368,133.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,123.80 : 526,775.04 = 267,045.15 : x
  2. Step 2: Convert to fraction form
    382,123.80/526,775.04 = 267,045.15/x
  3. Step 3: Cross multiply
    382,123.80x = 526,775.04 × 267,045.15
  4. Step 4: Simplify right side
    382,123.80x = 140,672,719,573.06
  5. Step 5: Solve for x
    x = 140,672,719,573.06/382,123.80
  6. Step 6: Final answer
    x = 368,133.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.