Home / 314,917.40-472,233.94-90,226.42

Finding the Fourth Proportional to 314,917.40, 472,233.94 and 90,226.42

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Solution

The fourth proportional to 314,917.40, 472,233.94 and 90,226.42 is: 135,298.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,917.40 : 472,233.94 = 90,226.42 : x
  2. Step 2: Convert to fraction form
    314,917.40/472,233.94 = 90,226.42/x
  3. Step 3: Cross multiply
    314,917.40x = 472,233.94 × 90,226.42
  4. Step 4: Simplify right side
    314,917.40x = 42,607,977,808.69
  5. Step 5: Solve for x
    x = 42,607,977,808.69/314,917.40
  6. Step 6: Final answer
    x = 135,298.90

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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.