Home / 150,057.90-207,097.76-86,408.10

Finding the Fourth Proportional to 150,057.90, 207,097.76 and 86,408.10

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Solution

The fourth proportional to 150,057.90, 207,097.76 and 86,408.10 is: 119,253.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,057.90 : 207,097.76 = 86,408.10 : x
  2. Step 2: Convert to fraction form
    150,057.90/207,097.76 = 86,408.10/x
  3. Step 3: Cross multiply
    150,057.90x = 207,097.76 × 86,408.10
  4. Step 4: Simplify right side
    150,057.90x = 17,894,924,171.88
  5. Step 5: Solve for x
    x = 17,894,924,171.88/150,057.90
  6. Step 6: Final answer
    x = 119,253.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.