Home / 159,320.96-219,740.12-98,927.36

Finding the Fourth Proportional to 159,320.96, 219,740.12 and 98,927.36

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Solution

The fourth proportional to 159,320.96, 219,740.12 and 98,927.36 is: 136,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,320.96 : 219,740.12 = 98,927.36 : x
  2. Step 2: Convert to fraction form
    159,320.96/219,740.12 = 98,927.36/x
  3. Step 3: Cross multiply
    159,320.96x = 219,740.12 × 98,927.36
  4. Step 4: Simplify right side
    159,320.96x = 21,738,309,957.68
  5. Step 5: Solve for x
    x = 21,738,309,957.68/159,320.96
  6. Step 6: Final answer
    x = 136,443.50

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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.