Home / 222,988.14-307,738.80-126,192.06

Finding the Fourth Proportional to 222,988.14, 307,738.80 and 126,192.06

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Solution

The fourth proportional to 222,988.14, 307,738.80 and 126,192.06 is: 174,153.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,988.14 : 307,738.80 = 126,192.06 : x
  2. Step 2: Convert to fraction form
    222,988.14/307,738.80 = 126,192.06/x
  3. Step 3: Cross multiply
    222,988.14x = 307,738.80 × 126,192.06
  4. Step 4: Simplify right side
    222,988.14x = 38,834,193,113.93
  5. Step 5: Solve for x
    x = 38,834,193,113.93/222,988.14
  6. Step 6: Final answer
    x = 174,153.63

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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.