Home / 165,744.76-228,729.28-90,293.26

Finding the Fourth Proportional to 165,744.76, 228,729.28 and 90,293.26

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Solution

The fourth proportional to 165,744.76, 228,729.28 and 90,293.26 is: 124,605.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,744.76 : 228,729.28 = 90,293.26 : x
  2. Step 2: Convert to fraction form
    165,744.76/228,729.28 = 90,293.26/x
  3. Step 3: Cross multiply
    165,744.76x = 228,729.28 × 90,293.26
  4. Step 4: Simplify right side
    165,744.76x = 20,652,712,348.65
  5. Step 5: Solve for x
    x = 20,652,712,348.65/165,744.76
  6. Step 6: Final answer
    x = 124,605.52

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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.