Home / 148,431.16-222,702.78-89,308.35

Finding the Fourth Proportional to 148,431.16, 222,702.78 and 89,308.35

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Solution

The fourth proportional to 148,431.16, 222,702.78 and 89,308.35 is: 133,996.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,431.16 : 222,702.78 = 89,308.35 : x
  2. Step 2: Convert to fraction form
    148,431.16/222,702.78 = 89,308.35/x
  3. Step 3: Cross multiply
    148,431.16x = 222,702.78 × 89,308.35
  4. Step 4: Simplify right side
    148,431.16x = 19,889,217,822.21
  5. Step 5: Solve for x
    x = 19,889,217,822.21/148,431.16
  6. Step 6: Final answer
    x = 133,996.24

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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.