Home / 118,743.99-163,867.23-65,029.38

Finding the Fourth Proportional to 118,743.99, 163,867.23 and 65,029.38

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Solution

The fourth proportional to 118,743.99, 163,867.23 and 65,029.38 is: 89,740.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,743.99 : 163,867.23 = 65,029.38 : x
  2. Step 2: Convert to fraction form
    118,743.99/163,867.23 = 65,029.38/x
  3. Step 3: Cross multiply
    118,743.99x = 163,867.23 × 65,029.38
  4. Step 4: Simplify right side
    118,743.99x = 10,656,184,369.22
  5. Step 5: Solve for x
    x = 10,656,184,369.22/118,743.99
  6. Step 6: Final answer
    x = 89,740.83

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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.