Home / 153,623.20-230,218.80-122,087.20

Finding the Fourth Proportional to 153,623.20, 230,218.80 and 122,087.20

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Solution

The fourth proportional to 153,623.20, 230,218.80 and 122,087.20 is: 182,959.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,623.20 : 230,218.80 = 122,087.20 : x
  2. Step 2: Convert to fraction form
    153,623.20/230,218.80 = 122,087.20/x
  3. Step 3: Cross multiply
    153,623.20x = 230,218.80 × 122,087.20
  4. Step 4: Simplify right side
    153,623.20x = 28,106,768,679.36
  5. Step 5: Solve for x
    x = 28,106,768,679.36/153,623.20
  6. Step 6: Final answer
    x = 182,959.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.