Home / 162,215.67-223,855.23-90,596.70

Finding the Fourth Proportional to 162,215.67, 223,855.23 and 90,596.70

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Solution

The fourth proportional to 162,215.67, 223,855.23 and 90,596.70 is: 125,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,215.67 : 223,855.23 = 90,596.70 : x
  2. Step 2: Convert to fraction form
    162,215.67/223,855.23 = 90,596.70/x
  3. Step 3: Cross multiply
    162,215.67x = 223,855.23 × 90,596.70
  4. Step 4: Simplify right side
    162,215.67x = 20,280,545,115.74
  5. Step 5: Solve for x
    x = 20,280,545,115.74/162,215.67
  6. Step 6: Final answer
    x = 125,022.11

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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.