Home / 222,962.40-307,784.10-136,935.33

Finding the Fourth Proportional to 222,962.40, 307,784.10 and 136,935.33

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Solution

The fourth proportional to 222,962.40, 307,784.10 and 136,935.33 is: 189,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,962.40 : 307,784.10 = 136,935.33 : x
  2. Step 2: Convert to fraction form
    222,962.40/307,784.10 = 136,935.33/x
  3. Step 3: Cross multiply
    222,962.40x = 307,784.10 × 136,935.33
  4. Step 4: Simplify right side
    222,962.40x = 42,146,517,302.25
  5. Step 5: Solve for x
    x = 42,146,517,302.25/222,962.40
  6. Step 6: Final answer
    x = 189,029.71

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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.