Home / 139,611.15-209,337.39-95,291.55

Finding the Fourth Proportional to 139,611.15, 209,337.39 and 95,291.55

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Solution

The fourth proportional to 139,611.15, 209,337.39 and 95,291.55 is: 142,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,611.15 : 209,337.39 = 95,291.55 : x
  2. Step 2: Convert to fraction form
    139,611.15/209,337.39 = 95,291.55/x
  3. Step 3: Cross multiply
    139,611.15x = 209,337.39 × 95,291.55
  4. Step 4: Simplify right side
    139,611.15x = 19,948,084,366.05
  5. Step 5: Solve for x
    x = 19,948,084,366.05/139,611.15
  6. Step 6: Final answer
    x = 142,883.17

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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.