Home / 117,061.44-161,419.32-94,376.40

Finding the Fourth Proportional to 117,061.44, 161,419.32 and 94,376.40

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Solution

The fourth proportional to 117,061.44, 161,419.32 and 94,376.40 is: 130,138.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,061.44 : 161,419.32 = 94,376.40 : x
  2. Step 2: Convert to fraction form
    117,061.44/161,419.32 = 94,376.40/x
  3. Step 3: Cross multiply
    117,061.44x = 161,419.32 × 94,376.40
  4. Step 4: Simplify right side
    117,061.44x = 15,234,174,312.05
  5. Step 5: Solve for x
    x = 15,234,174,312.05/117,061.44
  6. Step 6: Final answer
    x = 130,138.28

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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.