Home / 346,588.20-520,076.70-146,874.60

Finding the Fourth Proportional to 346,588.20, 520,076.70 and 146,874.60

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Solution

The fourth proportional to 346,588.20, 520,076.70 and 146,874.60 is: 220,394.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,588.20 : 520,076.70 = 146,874.60 : x
  2. Step 2: Convert to fraction form
    346,588.20/520,076.70 = 146,874.60/x
  3. Step 3: Cross multiply
    346,588.20x = 520,076.70 × 146,874.60
  4. Step 4: Simplify right side
    346,588.20x = 76,386,057,281.82
  5. Step 5: Solve for x
    x = 76,386,057,281.82/346,588.20
  6. Step 6: Final answer
    x = 220,394.28

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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.