Home / 222,100.78-333,156.03-89,043.70

Finding the Fourth Proportional to 222,100.78, 333,156.03 and 89,043.70

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Solution

The fourth proportional to 222,100.78, 333,156.03 and 89,043.70 is: 133,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,100.78 : 333,156.03 = 89,043.70 : x
  2. Step 2: Convert to fraction form
    222,100.78/333,156.03 = 89,043.70/x
  3. Step 3: Cross multiply
    222,100.78x = 333,156.03 × 89,043.70
  4. Step 4: Simplify right side
    222,100.78x = 29,665,445,588.51
  5. Step 5: Solve for x
    x = 29,665,445,588.51/222,100.78
  6. Step 6: Final answer
    x = 133,567.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.