Home / 192,035.20-288,182.40-125,312.80

Finding the Fourth Proportional to 192,035.20, 288,182.40 and 125,312.80

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Solution

The fourth proportional to 192,035.20, 288,182.40 and 125,312.80 is: 188,053.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,035.20 : 288,182.40 = 125,312.80 : x
  2. Step 2: Convert to fraction form
    192,035.20/288,182.40 = 125,312.80/x
  3. Step 3: Cross multiply
    192,035.20x = 288,182.40 × 125,312.80
  4. Step 4: Simplify right side
    192,035.20x = 36,112,943,454.72
  5. Step 5: Solve for x
    x = 36,112,943,454.72/192,035.20
  6. Step 6: Final answer
    x = 188,053.77

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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.