Home / 117,327.32-161,910.20-63,612.17

Finding the Fourth Proportional to 117,327.32, 161,910.20 and 63,612.17

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Solution

The fourth proportional to 117,327.32, 161,910.20 and 63,612.17 is: 87,783.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,327.32 : 161,910.20 = 63,612.17 : x
  2. Step 2: Convert to fraction form
    117,327.32/161,910.20 = 63,612.17/x
  3. Step 3: Cross multiply
    117,327.32x = 161,910.20 × 63,612.17
  4. Step 4: Simplify right side
    117,327.32x = 10,299,458,849.07
  5. Step 5: Solve for x
    x = 10,299,458,849.07/117,327.32
  6. Step 6: Final answer
    x = 87,783.98

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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.