Home / 267,742.48-401,357.61-99,217.53

Finding the Fourth Proportional to 267,742.48, 401,357.61 and 99,217.53

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Solution

The fourth proportional to 267,742.48, 401,357.61 and 99,217.53 is: 148,731.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,742.48 : 401,357.61 = 99,217.53 : x
  2. Step 2: Convert to fraction form
    267,742.48/401,357.61 = 99,217.53/x
  3. Step 3: Cross multiply
    267,742.48x = 401,357.61 × 99,217.53
  4. Step 4: Simplify right side
    267,742.48x = 39,821,710,710.90
  5. Step 5: Solve for x
    x = 39,821,710,710.90/267,742.48
  6. Step 6: Final answer
    x = 148,731.39

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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.