Home / 222,719.60-334,111.80-72,934.40

Finding the Fourth Proportional to 222,719.60, 334,111.80 and 72,934.40

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Solution

The fourth proportional to 222,719.60, 334,111.80 and 72,934.40 is: 109,412.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,719.60 : 334,111.80 = 72,934.40 : x
  2. Step 2: Convert to fraction form
    222,719.60/334,111.80 = 72,934.40/x
  3. Step 3: Cross multiply
    222,719.60x = 334,111.80 × 72,934.40
  4. Step 4: Simplify right side
    222,719.60x = 24,368,243,665.92
  5. Step 5: Solve for x
    x = 24,368,243,665.92/222,719.60
  6. Step 6: Final answer
    x = 109,412.21

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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.