Home / 165,065.17-247,534.57-70,236.04

Finding the Fourth Proportional to 165,065.17, 247,534.57 and 70,236.04

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Solution

The fourth proportional to 165,065.17, 247,534.57 and 70,236.04 is: 105,327.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,065.17 : 247,534.57 = 70,236.04 : x
  2. Step 2: Convert to fraction form
    165,065.17/247,534.57 = 70,236.04/x
  3. Step 3: Cross multiply
    165,065.17x = 247,534.57 × 70,236.04
  4. Step 4: Simplify right side
    165,065.17x = 17,385,847,959.90
  5. Step 5: Solve for x
    x = 17,385,847,959.90/165,065.17
  6. Step 6: Final answer
    x = 105,327.17

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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.