Home / 113,209.05-156,232.23-62,223.60

Finding the Fourth Proportional to 113,209.05, 156,232.23 and 62,223.60

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Solution

The fourth proportional to 113,209.05, 156,232.23 and 62,223.60 is: 85,870.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,209.05 : 156,232.23 = 62,223.60 : x
  2. Step 2: Convert to fraction form
    113,209.05/156,232.23 = 62,223.60/x
  3. Step 3: Cross multiply
    113,209.05x = 156,232.23 × 62,223.60
  4. Step 4: Simplify right side
    113,209.05x = 9,721,331,786.63
  5. Step 5: Solve for x
    x = 9,721,331,786.63/113,209.05
  6. Step 6: Final answer
    x = 85,870.62

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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.