Home / 165,901.13-228,943.28-94,281.20

Finding the Fourth Proportional to 165,901.13, 228,943.28 and 94,281.20

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Solution

The fourth proportional to 165,901.13, 228,943.28 and 94,281.20 is: 130,107.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,901.13 : 228,943.28 = 94,281.20 : x
  2. Step 2: Convert to fraction form
    165,901.13/228,943.28 = 94,281.20/x
  3. Step 3: Cross multiply
    165,901.13x = 228,943.28 × 94,281.20
  4. Step 4: Simplify right side
    165,901.13x = 21,585,047,170.34
  5. Step 5: Solve for x
    x = 21,585,047,170.34/165,901.13
  6. Step 6: Final answer
    x = 130,107.90

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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.