Home / 158,040.10-218,078.94-94,369.24

Finding the Fourth Proportional to 158,040.10, 218,078.94 and 94,369.24

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Solution

The fourth proportional to 158,040.10, 218,078.94 and 94,369.24 is: 130,219.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,040.10 : 218,078.94 = 94,369.24 : x
  2. Step 2: Convert to fraction form
    158,040.10/218,078.94 = 94,369.24/x
  3. Step 3: Cross multiply
    158,040.10x = 218,078.94 × 94,369.24
  4. Step 4: Simplify right side
    158,040.10x = 20,579,943,827.81
  5. Step 5: Solve for x
    x = 20,579,943,827.81/158,040.10
  6. Step 6: Final answer
    x = 130,219.76

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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.