Home / 106,695.02-159,956.76-73,316.18

Finding the Fourth Proportional to 106,695.02, 159,956.76 and 73,316.18

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Solution

The fourth proportional to 106,695.02, 159,956.76 and 73,316.18 is: 109,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,695.02 : 159,956.76 = 73,316.18 : x
  2. Step 2: Convert to fraction form
    106,695.02/159,956.76 = 73,316.18/x
  3. Step 3: Cross multiply
    106,695.02x = 159,956.76 × 73,316.18
  4. Step 4: Simplify right side
    106,695.02x = 11,727,418,608.38
  5. Step 5: Solve for x
    x = 11,727,418,608.38/106,695.02
  6. Step 6: Final answer
    x = 109,915.33

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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.