Home / 269,362.08-371,720.61-148,500.72

Finding the Fourth Proportional to 269,362.08, 371,720.61 and 148,500.72

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Solution

The fourth proportional to 269,362.08, 371,720.61 and 148,500.72 is: 204,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,362.08 : 371,720.61 = 148,500.72 : x
  2. Step 2: Convert to fraction form
    269,362.08/371,720.61 = 148,500.72/x
  3. Step 3: Cross multiply
    269,362.08x = 371,720.61 × 148,500.72
  4. Step 4: Simplify right side
    269,362.08x = 55,200,778,223.84
  5. Step 5: Solve for x
    x = 55,200,778,223.84/269,362.08
  6. Step 6: Final answer
    x = 204,931.51

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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.