Home / 132,293.79-198,439.74-53,406.81

Finding the Fourth Proportional to 132,293.79, 198,439.74 and 53,406.81

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Solution

The fourth proportional to 132,293.79, 198,439.74 and 53,406.81 is: 80,109.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,293.79 : 198,439.74 = 53,406.81 : x
  2. Step 2: Convert to fraction form
    132,293.79/198,439.74 = 53,406.81/x
  3. Step 3: Cross multiply
    132,293.79x = 198,439.74 × 53,406.81
  4. Step 4: Simplify right side
    132,293.79x = 10,598,033,490.63
  5. Step 5: Solve for x
    x = 10,598,033,490.63/132,293.79
  6. Step 6: Final answer
    x = 80,109.83

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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.