Home / 174,235.68-261,151.02-79,323.12

Finding the Fourth Proportional to 174,235.68, 261,151.02 and 79,323.12

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Solution

The fourth proportional to 174,235.68, 261,151.02 and 79,323.12 is: 118,892.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,235.68 : 261,151.02 = 79,323.12 : x
  2. Step 2: Convert to fraction form
    174,235.68/261,151.02 = 79,323.12/x
  3. Step 3: Cross multiply
    174,235.68x = 261,151.02 × 79,323.12
  4. Step 4: Simplify right side
    174,235.68x = 20,715,313,697.58
  5. Step 5: Solve for x
    x = 20,715,313,697.58/174,235.68
  6. Step 6: Final answer
    x = 118,892.49

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.