Home / 136,742.04-205,087.68-110,242.80

Finding the Fourth Proportional to 136,742.04, 205,087.68 and 110,242.80

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Solution

The fourth proportional to 136,742.04, 205,087.68 and 110,242.80 is: 165,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,742.04 : 205,087.68 = 110,242.80 : x
  2. Step 2: Convert to fraction form
    136,742.04/205,087.68 = 110,242.80/x
  3. Step 3: Cross multiply
    136,742.04x = 205,087.68 × 110,242.80
  4. Step 4: Simplify right side
    136,742.04x = 22,609,440,088.70
  5. Step 5: Solve for x
    x = 22,609,440,088.70/136,742.04
  6. Step 6: Final answer
    x = 165,343.74

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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.