Home / 132,923.81-199,385.72-39,428.75

Finding the Fourth Proportional to 132,923.81, 199,385.72 and 39,428.75

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Solution

The fourth proportional to 132,923.81, 199,385.72 and 39,428.75 is: 59,143.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,923.81 : 199,385.72 = 39,428.75 : x
  2. Step 2: Convert to fraction form
    132,923.81/199,385.72 = 39,428.75/x
  3. Step 3: Cross multiply
    132,923.81x = 199,385.72 × 39,428.75
  4. Step 4: Simplify right side
    132,923.81x = 7,861,529,707.45
  5. Step 5: Solve for x
    x = 7,861,529,707.45/132,923.81
  6. Step 6: Final answer
    x = 59,143.13

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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.