Home / 170,531.80-235,272.18-98,872.36

Finding the Fourth Proportional to 170,531.80, 235,272.18 and 98,872.36

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Solution

The fourth proportional to 170,531.80, 235,272.18 and 98,872.36 is: 136,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,531.80 : 235,272.18 = 98,872.36 : x
  2. Step 2: Convert to fraction form
    170,531.80/235,272.18 = 98,872.36/x
  3. Step 3: Cross multiply
    170,531.80x = 235,272.18 × 98,872.36
  4. Step 4: Simplify right side
    170,531.80x = 23,261,915,678.94
  5. Step 5: Solve for x
    x = 23,261,915,678.94/170,531.80
  6. Step 6: Final answer
    x = 136,408.08

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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.