Home / 140,211.80-193,495.60-76,550.05

Finding the Fourth Proportional to 140,211.80, 193,495.60 and 76,550.05

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Solution

The fourth proportional to 140,211.80, 193,495.60 and 76,550.05 is: 105,640.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,211.80 : 193,495.60 = 76,550.05 : x
  2. Step 2: Convert to fraction form
    140,211.80/193,495.60 = 76,550.05/x
  3. Step 3: Cross multiply
    140,211.80x = 193,495.60 × 76,550.05
  4. Step 4: Simplify right side
    140,211.80x = 14,812,097,854.78
  5. Step 5: Solve for x
    x = 14,812,097,854.78/140,211.80
  6. Step 6: Final answer
    x = 105,640.88

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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.