Home / 132,920.81-183,423.39-75,552.15

Finding the Fourth Proportional to 132,920.81, 183,423.39 and 75,552.15

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Solution

The fourth proportional to 132,920.81, 183,423.39 and 75,552.15 is: 104,257.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,920.81 : 183,423.39 = 75,552.15 : x
  2. Step 2: Convert to fraction form
    132,920.81/183,423.39 = 75,552.15/x
  3. Step 3: Cross multiply
    132,920.81x = 183,423.39 × 75,552.15
  4. Step 4: Simplify right side
    132,920.81x = 13,858,031,474.79
  5. Step 5: Solve for x
    x = 13,858,031,474.79/132,920.81
  6. Step 6: Final answer
    x = 104,257.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.