Home / 140,074.60-193,302.24-76,411.84

Finding the Fourth Proportional to 140,074.60, 193,302.24 and 76,411.84

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Solution

The fourth proportional to 140,074.60, 193,302.24 and 76,411.84 is: 105,447.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,074.60 : 193,302.24 = 76,411.84 : x
  2. Step 2: Convert to fraction form
    140,074.60/193,302.24 = 76,411.84/x
  3. Step 3: Cross multiply
    140,074.60x = 193,302.24 × 76,411.84
  4. Step 4: Simplify right side
    140,074.60x = 14,770,579,834.52
  5. Step 5: Solve for x
    x = 14,770,579,834.52/140,074.60
  6. Step 6: Final answer
    x = 105,447.95

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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.