Home / 143,627.10-215,440.65-93,860.70

Finding the Fourth Proportional to 143,627.10, 215,440.65 and 93,860.70

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Solution

The fourth proportional to 143,627.10, 215,440.65 and 93,860.70 is: 140,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,627.10 : 215,440.65 = 93,860.70 : x
  2. Step 2: Convert to fraction form
    143,627.10/215,440.65 = 93,860.70/x
  3. Step 3: Cross multiply
    143,627.10x = 215,440.65 × 93,860.70
  4. Step 4: Simplify right side
    143,627.10x = 20,221,410,217.46
  5. Step 5: Solve for x
    x = 20,221,410,217.46/143,627.10
  6. Step 6: Final answer
    x = 140,791.05

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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.