Home / 236,721.20-354,779.40-96,321.20

Finding the Fourth Proportional to 236,721.20, 354,779.40 and 96,321.20

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Solution

The fourth proportional to 236,721.20, 354,779.40 and 96,321.20 is: 144,358.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,721.20 : 354,779.40 = 96,321.20 : x
  2. Step 2: Convert to fraction form
    236,721.20/354,779.40 = 96,321.20/x
  3. Step 3: Cross multiply
    236,721.20x = 354,779.40 × 96,321.20
  4. Step 4: Simplify right side
    236,721.20x = 34,172,777,543.28
  5. Step 5: Solve for x
    x = 34,172,777,543.28/236,721.20
  6. Step 6: Final answer
    x = 144,358.75

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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.