Home / 134,624.84-185,749.62-80,951

Finding the Fourth Proportional to 134,624.84, 185,749.62 and 80,951

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Solution

The fourth proportional to 134,624.84, 185,749.62 and 80,951 is: 111,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,624.84 : 185,749.62 = 80,951 : x
  2. Step 2: Convert to fraction form
    134,624.84/185,749.62 = 80,951/x
  3. Step 3: Cross multiply
    134,624.84x = 185,749.62 × 80,951
  4. Step 4: Simplify right side
    134,624.84x = 15,036,617,488.62
  5. Step 5: Solve for x
    x = 15,036,617,488.62/134,624.84
  6. Step 6: Final answer
    x = 111,692.74

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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.