Home / 257,174.57-354,897.15-142,452.83

Finding the Fourth Proportional to 257,174.57, 354,897.15 and 142,452.83

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Solution

The fourth proportional to 257,174.57, 354,897.15 and 142,452.83 is: 196,582.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,174.57 : 354,897.15 = 142,452.83 : x
  2. Step 2: Convert to fraction form
    257,174.57/354,897.15 = 142,452.83/x
  3. Step 3: Cross multiply
    257,174.57x = 354,897.15 × 142,452.83
  4. Step 4: Simplify right side
    257,174.57x = 50,556,101,601.95
  5. Step 5: Solve for x
    x = 50,556,101,601.95/257,174.57
  6. Step 6: Final answer
    x = 196,582.82

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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.