Home / 146,338.72-219,503.68-57,528.16

Finding the Fourth Proportional to 146,338.72, 219,503.68 and 57,528.16

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Solution

The fourth proportional to 146,338.72, 219,503.68 and 57,528.16 is: 86,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,338.72 : 219,503.68 = 57,528.16 : x
  2. Step 2: Convert to fraction form
    146,338.72/219,503.68 = 57,528.16/x
  3. Step 3: Cross multiply
    146,338.72x = 219,503.68 × 57,528.16
  4. Step 4: Simplify right side
    146,338.72x = 12,627,642,823.63
  5. Step 5: Solve for x
    x = 12,627,642,823.63/146,338.72
  6. Step 6: Final answer
    x = 86,290.51

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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.