Home / 117,999.28-162,679.80-114,330.16

Finding the Fourth Proportional to 117,999.28, 162,679.80 and 114,330.16

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Solution

The fourth proportional to 117,999.28, 162,679.80 and 114,330.16 is: 157,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,999.28 : 162,679.80 = 114,330.16 : x
  2. Step 2: Convert to fraction form
    117,999.28/162,679.80 = 114,330.16/x
  3. Step 3: Cross multiply
    117,999.28x = 162,679.80 × 114,330.16
  4. Step 4: Simplify right side
    117,999.28x = 18,599,207,562.77
  5. Step 5: Solve for x
    x = 18,599,207,562.77/117,999.28
  6. Step 6: Final answer
    x = 157,621.36

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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.