Home / 132,328.19-182,592.33-78,611.82

Finding the Fourth Proportional to 132,328.19, 182,592.33 and 78,611.82

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Solution

The fourth proportional to 132,328.19, 182,592.33 and 78,611.82 is: 108,472.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,328.19 : 182,592.33 = 78,611.82 : x
  2. Step 2: Convert to fraction form
    132,328.19/182,592.33 = 78,611.82/x
  3. Step 3: Cross multiply
    132,328.19x = 182,592.33 × 78,611.82
  4. Step 4: Simplify right side
    132,328.19x = 14,353,915,379.34
  5. Step 5: Solve for x
    x = 14,353,915,379.34/132,328.19
  6. Step 6: Final answer
    x = 108,472.09

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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.