Home / 148,538.80-223,026.90-115,296.40

Finding the Fourth Proportional to 148,538.80, 223,026.90 and 115,296.40

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Solution

The fourth proportional to 148,538.80, 223,026.90 and 115,296.40 is: 173,114.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,538.80 : 223,026.90 = 115,296.40 : x
  2. Step 2: Convert to fraction form
    148,538.80/223,026.90 = 115,296.40/x
  3. Step 3: Cross multiply
    148,538.80x = 223,026.90 × 115,296.40
  4. Step 4: Simplify right side
    148,538.80x = 25,714,198,673.16
  5. Step 5: Solve for x
    x = 25,714,198,673.16/148,538.80
  6. Step 6: Final answer
    x = 173,114.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.