Home / 192,385.12-265,492.80-107,505.76

Finding the Fourth Proportional to 192,385.12, 265,492.80 and 107,505.76

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Solution

The fourth proportional to 192,385.12, 265,492.80 and 107,505.76 is: 148,358.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,385.12 : 265,492.80 = 107,505.76 : x
  2. Step 2: Convert to fraction form
    192,385.12/265,492.80 = 107,505.76/x
  3. Step 3: Cross multiply
    192,385.12x = 265,492.80 × 107,505.76
  4. Step 4: Simplify right side
    192,385.12x = 28,542,005,238.53
  5. Step 5: Solve for x
    x = 28,542,005,238.53/192,385.12
  6. Step 6: Final answer
    x = 148,358.69

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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.