Home / 129,505.32-194,268.98-36,011.07

Finding the Fourth Proportional to 129,505.32, 194,268.98 and 36,011.07

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Solution

The fourth proportional to 129,505.32, 194,268.98 and 36,011.07 is: 54,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,505.32 : 194,268.98 = 36,011.07 : x
  2. Step 2: Convert to fraction form
    129,505.32/194,268.98 = 36,011.07/x
  3. Step 3: Cross multiply
    129,505.32x = 194,268.98 × 36,011.07
  4. Step 4: Simplify right side
    129,505.32x = 6,995,833,657.55
  5. Step 5: Solve for x
    x = 6,995,833,657.55/129,505.32
  6. Step 6: Final answer
    x = 54,019.66

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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.