Home / 192,113.76-265,085.28-107,230.80

Finding the Fourth Proportional to 192,113.76, 265,085.28 and 107,230.80

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Solution

The fourth proportional to 192,113.76, 265,085.28 and 107,230.80 is: 147,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,113.76 : 265,085.28 = 107,230.80 : x
  2. Step 2: Convert to fraction form
    192,113.76/265,085.28 = 107,230.80/x
  3. Step 3: Cross multiply
    192,113.76x = 265,085.28 × 107,230.80
  4. Step 4: Simplify right side
    192,113.76x = 28,425,306,642.62
  5. Step 5: Solve for x
    x = 28,425,306,642.62/192,113.76
  6. Step 6: Final answer
    x = 147,960.81

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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.