Home / 129,501.16-194,286.30-46,403.56

Finding the Fourth Proportional to 129,501.16, 194,286.30 and 46,403.56

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Solution

The fourth proportional to 129,501.16, 194,286.30 and 46,403.56 is: 69,617.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,501.16 : 194,286.30 = 46,403.56 : x
  2. Step 2: Convert to fraction form
    129,501.16/194,286.30 = 46,403.56/x
  3. Step 3: Cross multiply
    129,501.16x = 194,286.30 × 46,403.56
  4. Step 4: Simplify right side
    129,501.16x = 9,015,575,979.23
  5. Step 5: Solve for x
    x = 9,015,575,979.23/129,501.16
  6. Step 6: Final answer
    x = 69,617.72

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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.