Home / 222,785.35-307,415.46-127,298.23

Finding the Fourth Proportional to 222,785.35, 307,415.46 and 127,298.23

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Solution

The fourth proportional to 222,785.35, 307,415.46 and 127,298.23 is: 175,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,785.35 : 307,415.46 = 127,298.23 : x
  2. Step 2: Convert to fraction form
    222,785.35/307,415.46 = 127,298.23/x
  3. Step 3: Cross multiply
    222,785.35x = 307,415.46 × 127,298.23
  4. Step 4: Simplify right side
    222,785.35x = 39,133,443,932.64
  5. Step 5: Solve for x
    x = 39,133,443,932.64/222,785.35
  6. Step 6: Final answer
    x = 175,655.37

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Double scale
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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.