Home / 110,222.70-152,115.20-63,669.57

Finding the Fourth Proportional to 110,222.70, 152,115.20 and 63,669.57

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Solution

The fourth proportional to 110,222.70, 152,115.20 and 63,669.57 is: 87,868.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,222.70 : 152,115.20 = 63,669.57 : x
  2. Step 2: Convert to fraction form
    110,222.70/152,115.20 = 63,669.57/x
  3. Step 3: Cross multiply
    110,222.70x = 152,115.20 × 63,669.57
  4. Step 4: Simplify right side
    110,222.70x = 9,685,109,374.46
  5. Step 5: Solve for x
    x = 9,685,109,374.46/110,222.70
  6. Step 6: Final answer
    x = 87,868.55

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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.