Home / 228,033.54-342,058.46-78,272.81

Finding the Fourth Proportional to 228,033.54, 342,058.46 and 78,272.81

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Solution

The fourth proportional to 228,033.54, 342,058.46 and 78,272.81 is: 117,412.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,033.54 : 342,058.46 = 78,272.81 : x
  2. Step 2: Convert to fraction form
    228,033.54/342,058.46 = 78,272.81/x
  3. Step 3: Cross multiply
    228,033.54x = 342,058.46 × 78,272.81
  4. Step 4: Simplify right side
    228,033.54x = 26,773,876,848.47
  5. Step 5: Solve for x
    x = 26,773,876,848.47/228,033.54
  6. Step 6: Final answer
    x = 117,412.01

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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.