Home / 113,736.44-156,905.54-65,962.12

Finding the Fourth Proportional to 113,736.44, 156,905.54 and 65,962.12

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Solution

The fourth proportional to 113,736.44, 156,905.54 and 65,962.12 is: 90,998.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,736.44 : 156,905.54 = 65,962.12 : x
  2. Step 2: Convert to fraction form
    113,736.44/156,905.54 = 65,962.12/x
  3. Step 3: Cross multiply
    113,736.44x = 156,905.54 × 65,962.12
  4. Step 4: Simplify right side
    113,736.44x = 10,349,822,058.14
  5. Step 5: Solve for x
    x = 10,349,822,058.14/113,736.44
  6. Step 6: Final answer
    x = 90,998.29

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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.