Home / 159,108.18-219,577.18-98,698.28

Finding the Fourth Proportional to 159,108.18, 219,577.18 and 98,698.28

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Solution

The fourth proportional to 159,108.18, 219,577.18 and 98,698.28 is: 136,208.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,108.18 : 219,577.18 = 98,698.28 : x
  2. Step 2: Convert to fraction form
    159,108.18/219,577.18 = 98,698.28/x
  3. Step 3: Cross multiply
    159,108.18x = 219,577.18 × 98,698.28
  4. Step 4: Simplify right side
    159,108.18x = 21,671,890,295.45
  5. Step 5: Solve for x
    x = 21,671,890,295.45/159,108.18
  6. Step 6: Final answer
    x = 136,208.52

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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.