Home / 166,225.48-229,387.62-90,774.28

Finding the Fourth Proportional to 166,225.48, 229,387.62 and 90,774.28

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Solution

The fourth proportional to 166,225.48, 229,387.62 and 90,774.28 is: 125,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,225.48 : 229,387.62 = 90,774.28 : x
  2. Step 2: Convert to fraction form
    166,225.48/229,387.62 = 90,774.28/x
  3. Step 3: Cross multiply
    166,225.48x = 229,387.62 × 90,774.28
  4. Step 4: Simplify right side
    166,225.48x = 20,822,496,046.41
  5. Step 5: Solve for x
    x = 20,822,496,046.41/166,225.48
  6. Step 6: Final answer
    x = 125,266.57

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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.