Home / 277,163.12-382,496.28-154,666.22

Finding the Fourth Proportional to 277,163.12, 382,496.28 and 154,666.22

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Solution

The fourth proportional to 277,163.12, 382,496.28 and 154,666.22 is: 213,445.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,163.12 : 382,496.28 = 154,666.22 : x
  2. Step 2: Convert to fraction form
    277,163.12/382,496.28 = 154,666.22/x
  3. Step 3: Cross multiply
    277,163.12x = 382,496.28 × 154,666.22
  4. Step 4: Simplify right side
    277,163.12x = 59,159,253,791.66
  5. Step 5: Solve for x
    x = 59,159,253,791.66/277,163.12
  6. Step 6: Final answer
    x = 213,445.62

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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.