Home / 112,280.28-168,336.17-67,897.95

Finding the Fourth Proportional to 112,280.28, 168,336.17 and 67,897.95

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Solution

The fourth proportional to 112,280.28, 168,336.17 and 67,897.95 is: 101,795.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,280.28 : 168,336.17 = 67,897.95 : x
  2. Step 2: Convert to fraction form
    112,280.28/168,336.17 = 67,897.95/x
  3. Step 3: Cross multiply
    112,280.28x = 168,336.17 × 67,897.95
  4. Step 4: Simplify right side
    112,280.28x = 11,429,680,853.85
  5. Step 5: Solve for x
    x = 11,429,680,853.85/112,280.28
  6. Step 6: Final answer
    x = 101,795.98

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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.