Home / 185,538.48-278,086.29-101,319.84

Finding the Fourth Proportional to 185,538.48, 278,086.29 and 101,319.84

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Solution

The fourth proportional to 185,538.48, 278,086.29 and 101,319.84 is: 151,858.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,538.48 : 278,086.29 = 101,319.84 : x
  2. Step 2: Convert to fraction form
    185,538.48/278,086.29 = 101,319.84/x
  3. Step 3: Cross multiply
    185,538.48x = 278,086.29 × 101,319.84
  4. Step 4: Simplify right side
    185,538.48x = 28,175,658,408.99
  5. Step 5: Solve for x
    x = 28,175,658,408.99/185,538.48
  6. Step 6: Final answer
    x = 151,858.84

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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.