Home / 232,215.70-348,651.60-143,642.20

Finding the Fourth Proportional to 232,215.70, 348,651.60 and 143,642.20

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Solution

The fourth proportional to 232,215.70, 348,651.60 and 143,642.20 is: 215,666.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,215.70 : 348,651.60 = 143,642.20 : x
  2. Step 2: Convert to fraction form
    232,215.70/348,651.60 = 143,642.20/x
  3. Step 3: Cross multiply
    232,215.70x = 348,651.60 × 143,642.20
  4. Step 4: Simplify right side
    232,215.70x = 50,081,082,857.52
  5. Step 5: Solve for x
    x = 50,081,082,857.52/232,215.70
  6. Step 6: Final answer
    x = 215,666.22

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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.