Home / 215,520.24-297,395.56-132,721.06

Finding the Fourth Proportional to 215,520.24, 297,395.56 and 132,721.06

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Solution

The fourth proportional to 215,520.24, 297,395.56 and 132,721.06 is: 183,141.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,520.24 : 297,395.56 = 132,721.06 : x
  2. Step 2: Convert to fraction form
    215,520.24/297,395.56 = 132,721.06/x
  3. Step 3: Cross multiply
    215,520.24x = 297,395.56 × 132,721.06
  4. Step 4: Simplify right side
    215,520.24x = 39,470,653,962.49
  5. Step 5: Solve for x
    x = 39,470,653,962.49/215,520.24
  6. Step 6: Final answer
    x = 183,141.29

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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.