Home / 234,889.12-352,432.40-146,216.80

Finding the Fourth Proportional to 234,889.12, 352,432.40 and 146,216.80

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Solution

The fourth proportional to 234,889.12, 352,432.40 and 146,216.80 is: 219,386.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,889.12 : 352,432.40 = 146,216.80 : x
  2. Step 2: Convert to fraction form
    234,889.12/352,432.40 = 146,216.80/x
  3. Step 3: Cross multiply
    234,889.12x = 352,432.40 × 146,216.80
  4. Step 4: Simplify right side
    234,889.12x = 51,531,537,744.32
  5. Step 5: Solve for x
    x = 51,531,537,744.32/234,889.12
  6. Step 6: Final answer
    x = 219,386.65

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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.