Home / 222,461.51-307,018.89-126,982.55

Finding the Fourth Proportional to 222,461.51, 307,018.89 and 126,982.55

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Solution

The fourth proportional to 222,461.51, 307,018.89 and 126,982.55 is: 175,248.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,461.51 : 307,018.89 = 126,982.55 : x
  2. Step 2: Convert to fraction form
    222,461.51/307,018.89 = 126,982.55/x
  3. Step 3: Cross multiply
    222,461.51x = 307,018.89 × 126,982.55
  4. Step 4: Simplify right side
    222,461.51x = 38,986,042,317.92
  5. Step 5: Solve for x
    x = 38,986,042,317.92/222,461.51
  6. Step 6: Final answer
    x = 175,248.49

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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.