Home / 165,085.20-247,627.80-146,058.30

Finding the Fourth Proportional to 165,085.20, 247,627.80 and 146,058.30

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Solution

The fourth proportional to 165,085.20, 247,627.80 and 146,058.30 is: 219,087.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,085.20 : 247,627.80 = 146,058.30 : x
  2. Step 2: Convert to fraction form
    165,085.20/247,627.80 = 146,058.30/x
  3. Step 3: Cross multiply
    165,085.20x = 247,627.80 × 146,058.30
  4. Step 4: Simplify right side
    165,085.20x = 36,168,095,500.74
  5. Step 5: Solve for x
    x = 36,168,095,500.74/165,085.20
  6. Step 6: Final answer
    x = 219,087.45

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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.