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Finding the Fourth Proportional to 540,167.19, 810,251.15 and 140,806.95

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Solution

The fourth proportional to 540,167.19, 810,251.15 and 140,806.95 is: 211,210.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,167.19 : 810,251.15 = 140,806.95 : x
  2. Step 2: Convert to fraction form
    540,167.19/810,251.15 = 140,806.95/x
  3. Step 3: Cross multiply
    540,167.19x = 810,251.15 × 140,806.95
  4. Step 4: Simplify right side
    540,167.19x = 114,088,992,461.46
  5. Step 5: Solve for x
    x = 114,088,992,461.46/540,167.19
  6. Step 6: Final answer
    x = 211,210.52

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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.