Home / 170,205.12-234,891.36-98,572.32

Finding the Fourth Proportional to 170,205.12, 234,891.36 and 98,572.32

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Solution

The fourth proportional to 170,205.12, 234,891.36 and 98,572.32 is: 136,034.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,205.12 : 234,891.36 = 98,572.32 : x
  2. Step 2: Convert to fraction form
    170,205.12/234,891.36 = 98,572.32/x
  3. Step 3: Cross multiply
    170,205.12x = 234,891.36 × 98,572.32
  4. Step 4: Simplify right side
    170,205.12x = 23,153,786,303.16
  5. Step 5: Solve for x
    x = 23,153,786,303.16/170,205.12
  6. Step 6: Final answer
    x = 136,034.61

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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.