Home / 170,397.40-235,149.38-98,819.88

Finding the Fourth Proportional to 170,397.40, 235,149.38 and 98,819.88

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Solution

The fourth proportional to 170,397.40, 235,149.38 and 98,819.88 is: 136,372.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,397.40 : 235,149.38 = 98,819.88 : x
  2. Step 2: Convert to fraction form
    170,397.40/235,149.38 = 98,819.88/x
  3. Step 3: Cross multiply
    170,397.40x = 235,149.38 × 98,819.88
  4. Step 4: Simplify right side
    170,397.40x = 23,237,433,513.67
  5. Step 5: Solve for x
    x = 23,237,433,513.67/170,397.40
  6. Step 6: Final answer
    x = 136,372.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.