Home / 237,778.80-328,124.88-142,229.04

Finding the Fourth Proportional to 237,778.80, 328,124.88 and 142,229.04

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Solution

The fourth proportional to 237,778.80, 328,124.88 and 142,229.04 is: 196,270.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,778.80 : 328,124.88 = 142,229.04 : x
  2. Step 2: Convert to fraction form
    237,778.80/328,124.88 = 142,229.04/x
  3. Step 3: Cross multiply
    237,778.80x = 328,124.88 × 142,229.04
  4. Step 4: Simplify right side
    237,778.80x = 46,668,886,682.52
  5. Step 5: Solve for x
    x = 46,668,886,682.52/237,778.80
  6. Step 6: Final answer
    x = 196,270.17

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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.