Home / 113,282.78-156,334.25-62,299.39

Finding the Fourth Proportional to 113,282.78, 156,334.25 and 62,299.39

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Solution

The fourth proportional to 113,282.78, 156,334.25 and 62,299.39 is: 85,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,282.78 : 156,334.25 = 62,299.39 : x
  2. Step 2: Convert to fraction form
    113,282.78/156,334.25 = 62,299.39/x
  3. Step 3: Cross multiply
    113,282.78x = 156,334.25 × 62,299.39
  4. Step 4: Simplify right side
    113,282.78x = 9,739,528,411.11
  5. Step 5: Solve for x
    x = 9,739,528,411.11/113,282.78
  6. Step 6: Final answer
    x = 85,975.37

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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.