Home / 162,228.18-223,872.54-90,609.24

Finding the Fourth Proportional to 162,228.18, 223,872.54 and 90,609.24

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Solution

The fourth proportional to 162,228.18, 223,872.54 and 90,609.24 is: 125,039.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,228.18 : 223,872.54 = 90,609.24 : x
  2. Step 2: Convert to fraction form
    162,228.18/223,872.54 = 90,609.24/x
  3. Step 3: Cross multiply
    162,228.18x = 223,872.54 × 90,609.24
  4. Step 4: Simplify right side
    162,228.18x = 20,284,920,706.27
  5. Step 5: Solve for x
    x = 20,284,920,706.27/162,228.18
  6. Step 6: Final answer
    x = 125,039.44

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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.