Home / 193,223.20-289,834.80-140,346.40

Finding the Fourth Proportional to 193,223.20, 289,834.80 and 140,346.40

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Solution

The fourth proportional to 193,223.20, 289,834.80 and 140,346.40 is: 210,519.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,223.20 : 289,834.80 = 140,346.40 : x
  2. Step 2: Convert to fraction form
    193,223.20/289,834.80 = 140,346.40/x
  3. Step 3: Cross multiply
    193,223.20x = 289,834.80 × 140,346.40
  4. Step 4: Simplify right side
    193,223.20x = 40,677,270,774.72
  5. Step 5: Solve for x
    x = 40,677,270,774.72/193,223.20
  6. Step 6: Final answer
    x = 210,519.60

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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.