Home / 165,209.90-227,990.23-93,603.18

Finding the Fourth Proportional to 165,209.90, 227,990.23 and 93,603.18

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Solution

The fourth proportional to 165,209.90, 227,990.23 and 93,603.18 is: 129,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,209.90 : 227,990.23 = 93,603.18 : x
  2. Step 2: Convert to fraction form
    165,209.90/227,990.23 = 93,603.18/x
  3. Step 3: Cross multiply
    165,209.90x = 227,990.23 × 93,603.18
  4. Step 4: Simplify right side
    165,209.90x = 21,340,610,536.93
  5. Step 5: Solve for x
    x = 21,340,610,536.93/165,209.90
  6. Step 6: Final answer
    x = 129,172.71

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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.