Home / 165,950.56-229,014.30-90,499.06

Finding the Fourth Proportional to 165,950.56, 229,014.30 and 90,499.06

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Solution

The fourth proportional to 165,950.56, 229,014.30 and 90,499.06 is: 124,890.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,950.56 : 229,014.30 = 90,499.06 : x
  2. Step 2: Convert to fraction form
    165,950.56/229,014.30 = 90,499.06/x
  3. Step 3: Cross multiply
    165,950.56x = 229,014.30 × 90,499.06
  4. Step 4: Simplify right side
    165,950.56x = 20,725,578,876.56
  5. Step 5: Solve for x
    x = 20,725,578,876.56/165,950.56
  6. Step 6: Final answer
    x = 124,890.08

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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.