Home / 222,128.12-333,191.92-72,368.20

Finding the Fourth Proportional to 222,128.12, 333,191.92 and 72,368.20

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Solution

The fourth proportional to 222,128.12, 333,191.92 and 72,368.20 is: 108,552.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,128.12 : 333,191.92 = 72,368.20 : x
  2. Step 2: Convert to fraction form
    222,128.12/333,191.92 = 72,368.20/x
  3. Step 3: Cross multiply
    222,128.12x = 333,191.92 × 72,368.20
  4. Step 4: Simplify right side
    222,128.12x = 24,112,499,504.94
  5. Step 5: Solve for x
    x = 24,112,499,504.94/222,128.12
  6. Step 6: Final answer
    x = 108,552.22

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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.