Home / 165,012.24-227,710.80-89,559.12

Finding the Fourth Proportional to 165,012.24, 227,710.80 and 89,559.12

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Solution

The fourth proportional to 165,012.24, 227,710.80 and 89,559.12 is: 123,588.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,012.24 : 227,710.80 = 89,559.12 : x
  2. Step 2: Convert to fraction form
    165,012.24/227,710.80 = 89,559.12/x
  3. Step 3: Cross multiply
    165,012.24x = 227,710.80 × 89,559.12
  4. Step 4: Simplify right side
    165,012.24x = 20,393,578,862.50
  5. Step 5: Solve for x
    x = 20,393,578,862.50/165,012.24
  6. Step 6: Final answer
    x = 123,588.28

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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.