Home / 159,988.04-220,786.80-96,312.32

Finding the Fourth Proportional to 159,988.04, 220,786.80 and 96,312.32

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Solution

The fourth proportional to 159,988.04, 220,786.80 and 96,312.32 is: 132,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,988.04 : 220,786.80 = 96,312.32 : x
  2. Step 2: Convert to fraction form
    159,988.04/220,786.80 = 96,312.32/x
  3. Step 3: Cross multiply
    159,988.04x = 220,786.80 × 96,312.32
  4. Step 4: Simplify right side
    159,988.04x = 21,264,488,933.38
  5. Step 5: Solve for x
    x = 21,264,488,933.38/159,988.04
  6. Step 6: Final answer
    x = 132,912.99

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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.