Home / 173,544.68-260,349.59-78,781.51

Finding the Fourth Proportional to 173,544.68, 260,349.59 and 78,781.51

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Solution

The fourth proportional to 173,544.68, 260,349.59 and 78,781.51 is: 118,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,544.68 : 260,349.59 = 78,781.51 : x
  2. Step 2: Convert to fraction form
    173,544.68/260,349.59 = 78,781.51/x
  3. Step 3: Cross multiply
    173,544.68x = 260,349.59 × 78,781.51
  4. Step 4: Simplify right side
    173,544.68x = 20,510,734,350.47
  5. Step 5: Solve for x
    x = 20,510,734,350.47/173,544.68
  6. Step 6: Final answer
    x = 118,187.06

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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.