Home / 165,274.36-247,929.20-52,914.40

Finding the Fourth Proportional to 165,274.36, 247,929.20 and 52,914.40

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Solution

The fourth proportional to 165,274.36, 247,929.20 and 52,914.40 is: 79,377.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,274.36 : 247,929.20 = 52,914.40 : x
  2. Step 2: Convert to fraction form
    165,274.36/247,929.20 = 52,914.40/x
  3. Step 3: Cross multiply
    165,274.36x = 247,929.20 × 52,914.40
  4. Step 4: Simplify right side
    165,274.36x = 13,119,024,860.48
  5. Step 5: Solve for x
    x = 13,119,024,860.48/165,274.36
  6. Step 6: Final answer
    x = 79,377.25

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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.