Home / 175,579.18-242,302.38-99,113.56

Finding the Fourth Proportional to 175,579.18, 242,302.38 and 99,113.56

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Solution

The fourth proportional to 175,579.18, 242,302.38 and 99,113.56 is: 136,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,579.18 : 242,302.38 = 99,113.56 : x
  2. Step 2: Convert to fraction form
    175,579.18/242,302.38 = 99,113.56/x
  3. Step 3: Cross multiply
    175,579.18x = 242,302.38 × 99,113.56
  4. Step 4: Simplify right side
    175,579.18x = 24,015,451,478.27
  5. Step 5: Solve for x
    x = 24,015,451,478.27/175,579.18
  6. Step 6: Final answer
    x = 136,778.47

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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.