Home / 131,890.04-197,718.42-98,569.88

Finding the Fourth Proportional to 131,890.04, 197,718.42 and 98,569.88

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Solution

The fourth proportional to 131,890.04, 197,718.42 and 98,569.88 is: 147,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,890.04 : 197,718.42 = 98,569.88 : x
  2. Step 2: Convert to fraction form
    131,890.04/197,718.42 = 98,569.88/x
  3. Step 3: Cross multiply
    131,890.04x = 197,718.42 × 98,569.88
  4. Step 4: Simplify right side
    131,890.04x = 19,489,080,933.19
  5. Step 5: Solve for x
    x = 19,489,080,933.19/131,890.04
  6. Step 6: Final answer
    x = 147,767.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.