Home / 382,122.57-526,417.74-267,186.15

Finding the Fourth Proportional to 382,122.57, 526,417.74 and 267,186.15

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Solution

The fourth proportional to 382,122.57, 526,417.74 and 267,186.15 is: 368,079.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,122.57 : 526,417.74 = 267,186.15 : x
  2. Step 2: Convert to fraction form
    382,122.57/526,417.74 = 267,186.15/x
  3. Step 3: Cross multiply
    382,122.57x = 526,417.74 × 267,186.15
  4. Step 4: Simplify right side
    382,122.57x = 140,651,527,926.26
  5. Step 5: Solve for x
    x = 140,651,527,926.26/382,122.57
  6. Step 6: Final answer
    x = 368,079.61

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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.