Home / 226,192.40-311,972.55-153,651.22

Finding the Fourth Proportional to 226,192.40, 311,972.55 and 153,651.22

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Solution

The fourth proportional to 226,192.40, 311,972.55 and 153,651.22 is: 211,921.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,192.40 : 311,972.55 = 153,651.22 : x
  2. Step 2: Convert to fraction form
    226,192.40/311,972.55 = 153,651.22/x
  3. Step 3: Cross multiply
    226,192.40x = 311,972.55 × 153,651.22
  4. Step 4: Simplify right side
    226,192.40x = 47,934,963,312.73
  5. Step 5: Solve for x
    x = 47,934,963,312.73/226,192.40
  6. Step 6: Final answer
    x = 211,921.19

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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.