Home / 113,238.36-156,264.66-62,940.60

Finding the Fourth Proportional to 113,238.36, 156,264.66 and 62,940.60

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Solution

The fourth proportional to 113,238.36, 156,264.66 and 62,940.60 is: 86,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,238.36 : 156,264.66 = 62,940.60 : x
  2. Step 2: Convert to fraction form
    113,238.36/156,264.66 = 62,940.60/x
  3. Step 3: Cross multiply
    113,238.36x = 156,264.66 × 62,940.60
  4. Step 4: Simplify right side
    113,238.36x = 9,835,391,459.20
  5. Step 5: Solve for x
    x = 9,835,391,459.20/113,238.36
  6. Step 6: Final answer
    x = 86,855.65

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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.