Home / 129,549.16-194,349.66-46,449.64

Finding the Fourth Proportional to 129,549.16, 194,349.66 and 46,449.64

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Solution

The fourth proportional to 129,549.16, 194,349.66 and 46,449.64 is: 69,683.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,549.16 : 194,349.66 = 46,449.64 : x
  2. Step 2: Convert to fraction form
    129,549.16/194,349.66 = 46,449.64/x
  3. Step 3: Cross multiply
    129,549.16x = 194,349.66 × 46,449.64
  4. Step 4: Simplify right side
    129,549.16x = 9,027,471,741.12
  5. Step 5: Solve for x
    x = 9,027,471,741.12/129,549.16
  6. Step 6: Final answer
    x = 69,683.75

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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.