Home / 159,117.47-219,527.46-98,666.36

Finding the Fourth Proportional to 159,117.47, 219,527.46 and 98,666.36

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Solution

The fourth proportional to 159,117.47, 219,527.46 and 98,666.36 is: 136,125.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,117.47 : 219,527.46 = 98,666.36 : x
  2. Step 2: Convert to fraction form
    159,117.47/219,527.46 = 98,666.36/x
  3. Step 3: Cross multiply
    159,117.47x = 219,527.46 × 98,666.36
  4. Step 4: Simplify right side
    159,117.47x = 21,659,975,398.25
  5. Step 5: Solve for x
    x = 21,659,975,398.25/159,117.47
  6. Step 6: Final answer
    x = 136,125.69

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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.