Home / 166,947.86-230,693.57-121,547.04

Finding the Fourth Proportional to 166,947.86, 230,693.57 and 121,547.04

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Solution

The fourth proportional to 166,947.86, 230,693.57 and 121,547.04 is: 167,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,947.86 : 230,693.57 = 121,547.04 : x
  2. Step 2: Convert to fraction form
    166,947.86/230,693.57 = 121,547.04/x
  3. Step 3: Cross multiply
    166,947.86x = 230,693.57 × 121,547.04
  4. Step 4: Simplify right side
    166,947.86x = 28,040,119,107.70
  5. Step 5: Solve for x
    x = 28,040,119,107.70/166,947.86
  6. Step 6: Final answer
    x = 167,957.35

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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.