Home / 153,629.20-230,443.80-94,272.40

Finding the Fourth Proportional to 153,629.20, 230,443.80 and 94,272.40

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Solution

The fourth proportional to 153,629.20, 230,443.80 and 94,272.40 is: 141,408.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,629.20 : 230,443.80 = 94,272.40 : x
  2. Step 2: Convert to fraction form
    153,629.20/230,443.80 = 94,272.40/x
  3. Step 3: Cross multiply
    153,629.20x = 230,443.80 × 94,272.40
  4. Step 4: Simplify right side
    153,629.20x = 21,724,490,091.12
  5. Step 5: Solve for x
    x = 21,724,490,091.12/153,629.20
  6. Step 6: Final answer
    x = 141,408.60

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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.