Home / 175,578.18-242,301-99,112.56

Finding the Fourth Proportional to 175,578.18, 242,301 and 99,112.56

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Solution

The fourth proportional to 175,578.18, 242,301 and 99,112.56 is: 136,777.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,578.18 : 242,301 = 99,112.56 : x
  2. Step 2: Convert to fraction form
    175,578.18/242,301 = 99,112.56/x
  3. Step 3: Cross multiply
    175,578.18x = 242,301 × 99,112.56
  4. Step 4: Simplify right side
    175,578.18x = 24,015,072,400.56
  5. Step 5: Solve for x
    x = 24,015,072,400.56/175,578.18
  6. Step 6: Final answer
    x = 136,777.09

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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.