Home / 163,631.40-245,337.75-132,080.28

Finding the Fourth Proportional to 163,631.40, 245,337.75 and 132,080.28

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Solution

The fourth proportional to 163,631.40, 245,337.75 and 132,080.28 is: 198,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,631.40 : 245,337.75 = 132,080.28 : x
  2. Step 2: Convert to fraction form
    163,631.40/245,337.75 = 132,080.28/x
  3. Step 3: Cross multiply
    163,631.40x = 245,337.75 × 132,080.28
  4. Step 4: Simplify right side
    163,631.40x = 32,404,278,714.57
  5. Step 5: Solve for x
    x = 32,404,278,714.57/163,631.40
  6. Step 6: Final answer
    x = 198,032.15

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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.