Home / 245,623.10-368,434.65-242,512.70

Finding the Fourth Proportional to 245,623.10, 368,434.65 and 242,512.70

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Solution

The fourth proportional to 245,623.10, 368,434.65 and 242,512.70 is: 363,769.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,623.10 : 368,434.65 = 242,512.70 : x
  2. Step 2: Convert to fraction form
    245,623.10/368,434.65 = 242,512.70/x
  3. Step 3: Cross multiply
    245,623.10x = 368,434.65 × 242,512.70
  4. Step 4: Simplify right side
    245,623.10x = 89,350,081,745.06
  5. Step 5: Solve for x
    x = 89,350,081,745.06/245,623.10
  6. Step 6: Final answer
    x = 363,769.05

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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.