Home / 159,547.08-220,185.34-91,586.06

Finding the Fourth Proportional to 159,547.08, 220,185.34 and 91,586.06

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Solution

The fourth proportional to 159,547.08, 220,185.34 and 91,586.06 is: 126,394.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,547.08 : 220,185.34 = 91,586.06 : x
  2. Step 2: Convert to fraction form
    159,547.08/220,185.34 = 91,586.06/x
  3. Step 3: Cross multiply
    159,547.08x = 220,185.34 × 91,586.06
  4. Step 4: Simplify right side
    159,547.08x = 20,165,906,430.47
  5. Step 5: Solve for x
    x = 20,165,906,430.47/159,547.08
  6. Step 6: Final answer
    x = 126,394.71

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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.