Home / 170,187.87-234,857.31-93,705.40

Finding the Fourth Proportional to 170,187.87, 234,857.31 and 93,705.40

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Solution

The fourth proportional to 170,187.87, 234,857.31 and 93,705.40 is: 129,312.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,187.87 : 234,857.31 = 93,705.40 : x
  2. Step 2: Convert to fraction form
    170,187.87/234,857.31 = 93,705.40/x
  3. Step 3: Cross multiply
    170,187.87x = 234,857.31 × 93,705.40
  4. Step 4: Simplify right side
    170,187.87x = 22,007,398,909.29
  5. Step 5: Solve for x
    x = 22,007,398,909.29/170,187.87
  6. Step 6: Final answer
    x = 129,312.39

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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.