Home / 277,020.96-382,265.98-156,191.95

Finding the Fourth Proportional to 277,020.96, 382,265.98 and 156,191.95

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Solution

The fourth proportional to 277,020.96, 382,265.98 and 156,191.95 is: 215,531.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,020.96 : 382,265.98 = 156,191.95 : x
  2. Step 2: Convert to fraction form
    277,020.96/382,265.98 = 156,191.95/x
  3. Step 3: Cross multiply
    277,020.96x = 382,265.98 × 156,191.95
  4. Step 4: Simplify right side
    277,020.96x = 59,706,867,650.55
  5. Step 5: Solve for x
    x = 59,706,867,650.55/277,020.96
  6. Step 6: Final answer
    x = 215,531.95

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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.