Home / 129,111.96-193,673.70-40,367.28

Finding the Fourth Proportional to 129,111.96, 193,673.70 and 40,367.28

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Solution

The fourth proportional to 129,111.96, 193,673.70 and 40,367.28 is: 60,552.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,111.96 : 193,673.70 = 40,367.28 : x
  2. Step 2: Convert to fraction form
    129,111.96/193,673.70 = 40,367.28/x
  3. Step 3: Cross multiply
    129,111.96x = 193,673.70 × 40,367.28
  4. Step 4: Simplify right side
    129,111.96x = 7,818,080,476.54
  5. Step 5: Solve for x
    x = 7,818,080,476.54/129,111.96
  6. Step 6: Final answer
    x = 60,552.72

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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.