Home / 153,787.75-212,360.59-96,526.31

Finding the Fourth Proportional to 153,787.75, 212,360.59 and 96,526.31

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Solution

The fourth proportional to 153,787.75, 212,360.59 and 96,526.31 is: 133,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,787.75 : 212,360.59 = 96,526.31 : x
  2. Step 2: Convert to fraction form
    153,787.75/212,360.59 = 96,526.31/x
  3. Step 3: Cross multiply
    153,787.75x = 212,360.59 × 96,526.31
  4. Step 4: Simplify right side
    153,787.75x = 20,498,384,142.12
  5. Step 5: Solve for x
    x = 20,498,384,142.12/153,787.75
  6. Step 6: Final answer
    x = 133,290.10

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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.