Home / 142,205.76-213,302.16-53,452.44

Finding the Fourth Proportional to 142,205.76, 213,302.16 and 53,452.44

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Solution

The fourth proportional to 142,205.76, 213,302.16 and 53,452.44 is: 80,176.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,205.76 : 213,302.16 = 53,452.44 : x
  2. Step 2: Convert to fraction form
    142,205.76/213,302.16 = 53,452.44/x
  3. Step 3: Cross multiply
    142,205.76x = 213,302.16 × 53,452.44
  4. Step 4: Simplify right side
    142,205.76x = 11,401,520,909.27
  5. Step 5: Solve for x
    x = 11,401,520,909.27/142,205.76
  6. Step 6: Final answer
    x = 80,176.22

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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.