Home / 165,045.20-227,763.06-93,439.04

Finding the Fourth Proportional to 165,045.20, 227,763.06 and 93,439.04

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Solution

The fourth proportional to 165,045.20, 227,763.06 and 93,439.04 is: 128,946.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,045.20 : 227,763.06 = 93,439.04 : x
  2. Step 2: Convert to fraction form
    165,045.20/227,763.06 = 93,439.04/x
  3. Step 3: Cross multiply
    165,045.20x = 227,763.06 × 93,439.04
  4. Step 4: Simplify right side
    165,045.20x = 21,281,961,673.86
  5. Step 5: Solve for x
    x = 21,281,961,673.86/165,045.20
  6. Step 6: Final answer
    x = 128,946.26

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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.