Home / 134,065.08-185,072.76-77,465.52

Finding the Fourth Proportional to 134,065.08, 185,072.76 and 77,465.52

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Solution

The fourth proportional to 134,065.08, 185,072.76 and 77,465.52 is: 106,938.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,065.08 : 185,072.76 = 77,465.52 : x
  2. Step 2: Convert to fraction form
    134,065.08/185,072.76 = 77,465.52/x
  3. Step 3: Cross multiply
    134,065.08x = 185,072.76 × 77,465.52
  4. Step 4: Simplify right side
    134,065.08x = 14,336,757,591.24
  5. Step 5: Solve for x
    x = 14,336,757,591.24/134,065.08
  6. Step 6: Final answer
    x = 106,938.79

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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.