Home / 135,742.66-203,681.88-60,916.30

Finding the Fourth Proportional to 135,742.66, 203,681.88 and 60,916.30

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Solution

The fourth proportional to 135,742.66, 203,681.88 and 60,916.30 is: 91,404.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,742.66 : 203,681.88 = 60,916.30 : x
  2. Step 2: Convert to fraction form
    135,742.66/203,681.88 = 60,916.30/x
  3. Step 3: Cross multiply
    135,742.66x = 203,681.88 × 60,916.30
  4. Step 4: Simplify right side
    135,742.66x = 12,407,546,506.64
  5. Step 5: Solve for x
    x = 12,407,546,506.64/135,742.66
  6. Step 6: Final answer
    x = 91,404.92

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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.