Home / 170,711.40-256,067.10-117,567.30

Finding the Fourth Proportional to 170,711.40, 256,067.10 and 117,567.30

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Solution

The fourth proportional to 170,711.40, 256,067.10 and 117,567.30 is: 176,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,711.40 : 256,067.10 = 117,567.30 : x
  2. Step 2: Convert to fraction form
    170,711.40/256,067.10 = 117,567.30/x
  3. Step 3: Cross multiply
    170,711.40x = 256,067.10 × 117,567.30
  4. Step 4: Simplify right side
    170,711.40x = 30,105,117,565.83
  5. Step 5: Solve for x
    x = 30,105,117,565.83/170,711.40
  6. Step 6: Final answer
    x = 176,350.95

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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.