Home / 165,292.80-247,939.20-52,972.80

Finding the Fourth Proportional to 165,292.80, 247,939.20 and 52,972.80

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Solution

The fourth proportional to 165,292.80, 247,939.20 and 52,972.80 is: 79,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,292.80 : 247,939.20 = 52,972.80 : x
  2. Step 2: Convert to fraction form
    165,292.80/247,939.20 = 52,972.80/x
  3. Step 3: Cross multiply
    165,292.80x = 247,939.20 × 52,972.80
  4. Step 4: Simplify right side
    165,292.80x = 13,134,033,653.76
  5. Step 5: Solve for x
    x = 13,134,033,653.76/165,292.80
  6. Step 6: Final answer
    x = 79,459.20

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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.