Home / 148,788.74-223,101.10-77,533.55

Finding the Fourth Proportional to 148,788.74, 223,101.10 and 77,533.55

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Solution

The fourth proportional to 148,788.74, 223,101.10 and 77,533.55 is: 116,257.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,788.74 : 223,101.10 = 77,533.55 : x
  2. Step 2: Convert to fraction form
    148,788.74/223,101.10 = 77,533.55/x
  3. Step 3: Cross multiply
    148,788.74x = 223,101.10 × 77,533.55
  4. Step 4: Simplify right side
    148,788.74x = 17,297,820,291.91
  5. Step 5: Solve for x
    x = 17,297,820,291.91/148,788.74
  6. Step 6: Final answer
    x = 116,257.59

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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.