Home / 151,757.04-209,436.30-83,787.09

Finding the Fourth Proportional to 151,757.04, 209,436.30 and 83,787.09

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Solution

The fourth proportional to 151,757.04, 209,436.30 and 83,787.09 is: 115,632.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,757.04 : 209,436.30 = 83,787.09 : x
  2. Step 2: Convert to fraction form
    151,757.04/209,436.30 = 83,787.09/x
  3. Step 3: Cross multiply
    151,757.04x = 209,436.30 × 83,787.09
  4. Step 4: Simplify right side
    151,757.04x = 17,548,058,117.37
  5. Step 5: Solve for x
    x = 17,548,058,117.37/151,757.04
  6. Step 6: Final answer
    x = 115,632.58

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1.5x scale

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.