Home / 165,082.90-247,624.35-155,241.40

Finding the Fourth Proportional to 165,082.90, 247,624.35 and 155,241.40

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Solution

The fourth proportional to 165,082.90, 247,624.35 and 155,241.40 is: 232,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,082.90 : 247,624.35 = 155,241.40 : x
  2. Step 2: Convert to fraction form
    165,082.90/247,624.35 = 155,241.40/x
  3. Step 3: Cross multiply
    165,082.90x = 247,624.35 × 155,241.40
  4. Step 4: Simplify right side
    165,082.90x = 38,441,550,768.09
  5. Step 5: Solve for x
    x = 38,441,550,768.09/165,082.90
  6. Step 6: Final answer
    x = 232,862.10

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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.