Home / 159,106.28-219,512.03-98,655.17

Finding the Fourth Proportional to 159,106.28, 219,512.03 and 98,655.17

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Solution

The fourth proportional to 159,106.28, 219,512.03 and 98,655.17 is: 136,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,106.28 : 219,512.03 = 98,655.17 : x
  2. Step 2: Convert to fraction form
    159,106.28/219,512.03 = 98,655.17/x
  3. Step 3: Cross multiply
    159,106.28x = 219,512.03 × 98,655.17
  4. Step 4: Simplify right side
    159,106.28x = 21,655,995,045.86
  5. Step 5: Solve for x
    x = 21,655,995,045.86/159,106.28
  6. Step 6: Final answer
    x = 136,110.25

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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.