Home / 134,620.02-185,745.69-77,255.82

Finding the Fourth Proportional to 134,620.02, 185,745.69 and 77,255.82

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Solution

The fourth proportional to 134,620.02, 185,745.69 and 77,255.82 is: 106,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,620.02 : 185,745.69 = 77,255.82 : x
  2. Step 2: Convert to fraction form
    134,620.02/185,745.69 = 77,255.82/x
  3. Step 3: Cross multiply
    134,620.02x = 185,745.69 × 77,255.82
  4. Step 4: Simplify right side
    134,620.02x = 14,349,935,592.42
  5. Step 5: Solve for x
    x = 14,349,935,592.42/134,620.02
  6. Step 6: Final answer
    x = 106,595.85

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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.