Home / 119,650.69-165,119.03-65,937.63

Finding the Fourth Proportional to 119,650.69, 165,119.03 and 65,937.63

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Solution

The fourth proportional to 119,650.69, 165,119.03 and 65,937.63 is: 90,994.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,650.69 : 165,119.03 = 65,937.63 : x
  2. Step 2: Convert to fraction form
    119,650.69/165,119.03 = 65,937.63/x
  3. Step 3: Cross multiply
    119,650.69x = 165,119.03 × 65,937.63
  4. Step 4: Simplify right side
    119,650.69x = 10,887,557,670.94
  5. Step 5: Solve for x
    x = 10,887,557,670.94/119,650.69
  6. Step 6: Final answer
    x = 90,994.53

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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.