Home / 117,096.15-161,549.46-76,832.28

Finding the Fourth Proportional to 117,096.15, 161,549.46 and 76,832.28

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Solution

The fourth proportional to 117,096.15, 161,549.46 and 76,832.28 is: 106,000.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,096.15 : 161,549.46 = 76,832.28 : x
  2. Step 2: Convert to fraction form
    117,096.15/161,549.46 = 76,832.28/x
  3. Step 3: Cross multiply
    117,096.15x = 161,549.46 × 76,832.28
  4. Step 4: Simplify right side
    117,096.15x = 12,412,213,344.57
  5. Step 5: Solve for x
    x = 12,412,213,344.57/117,096.15
  6. Step 6: Final answer
    x = 106,000.18

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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.