Home / 157,562.78-236,273.08-45,217.50

Finding the Fourth Proportional to 157,562.78, 236,273.08 and 45,217.50

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Solution

The fourth proportional to 157,562.78, 236,273.08 and 45,217.50 is: 67,805.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,562.78 : 236,273.08 = 45,217.50 : x
  2. Step 2: Convert to fraction form
    157,562.78/236,273.08 = 45,217.50/x
  3. Step 3: Cross multiply
    157,562.78x = 236,273.08 × 45,217.50
  4. Step 4: Simplify right side
    157,562.78x = 10,683,677,994.90
  5. Step 5: Solve for x
    x = 10,683,677,994.90/157,562.78
  6. Step 6: Final answer
    x = 67,805.85

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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.