Home / 158,870.11-219,144.47-94,296.80

Finding the Fourth Proportional to 158,870.11, 219,144.47 and 94,296.80

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Solution

The fourth proportional to 158,870.11, 219,144.47 and 94,296.80 is: 130,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,870.11 : 219,144.47 = 94,296.80 : x
  2. Step 2: Convert to fraction form
    158,870.11/219,144.47 = 94,296.80/x
  3. Step 3: Cross multiply
    158,870.11x = 219,144.47 × 94,296.80
  4. Step 4: Simplify right side
    158,870.11x = 20,664,622,646.96
  5. Step 5: Solve for x
    x = 20,664,622,646.96/158,870.11
  6. Step 6: Final answer
    x = 130,072.44

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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.