Home / 134,610.48-185,758.11-77,259.24

Finding the Fourth Proportional to 134,610.48, 185,758.11 and 77,259.24

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Solution

The fourth proportional to 134,610.48, 185,758.11 and 77,259.24 is: 106,615.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,610.48 : 185,758.11 = 77,259.24 : x
  2. Step 2: Convert to fraction form
    134,610.48/185,758.11 = 77,259.24/x
  3. Step 3: Cross multiply
    134,610.48x = 185,758.11 × 77,259.24
  4. Step 4: Simplify right side
    134,610.48x = 14,351,530,402.44
  5. Step 5: Solve for x
    x = 14,351,530,402.44/134,610.48
  6. Step 6: Final answer
    x = 106,615.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.