Home / 165,318.80-247,995.52-70,559.06

Finding the Fourth Proportional to 165,318.80, 247,995.52 and 70,559.06

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Solution

The fourth proportional to 165,318.80, 247,995.52 and 70,559.06 is: 105,845.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,318.80 : 247,995.52 = 70,559.06 : x
  2. Step 2: Convert to fraction form
    165,318.80/247,995.52 = 70,559.06/x
  3. Step 3: Cross multiply
    165,318.80x = 247,995.52 × 70,559.06
  4. Step 4: Simplify right side
    165,318.80x = 17,498,329,359.04
  5. Step 5: Solve for x
    x = 17,498,329,359.04/165,318.80
  6. Step 6: Final answer
    x = 105,845.98

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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.