Home / 158,418.28-218,617.28-94,771.11

Finding the Fourth Proportional to 158,418.28, 218,617.28 and 94,771.11

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Solution

The fourth proportional to 158,418.28, 218,617.28 and 94,771.11 is: 130,784.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,418.28 : 218,617.28 = 94,771.11 : x
  2. Step 2: Convert to fraction form
    158,418.28/218,617.28 = 94,771.11/x
  3. Step 3: Cross multiply
    158,418.28x = 218,617.28 × 94,771.11
  4. Step 4: Simplify right side
    158,418.28x = 20,718,602,992.13
  5. Step 5: Solve for x
    x = 20,718,602,992.13/158,418.28
  6. Step 6: Final answer
    x = 130,784.17

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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.