Home / 371,206.11-512,261.85-201,440.24

Finding the Fourth Proportional to 371,206.11, 512,261.85 and 201,440.24

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Solution

The fourth proportional to 371,206.11, 512,261.85 and 201,440.24 is: 277,986.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,206.11 : 512,261.85 = 201,440.24 : x
  2. Step 2: Convert to fraction form
    371,206.11/512,261.85 = 201,440.24/x
  3. Step 3: Cross multiply
    371,206.11x = 512,261.85 × 201,440.24
  4. Step 4: Simplify right side
    371,206.11x = 103,190,150,006.84
  5. Step 5: Solve for x
    x = 103,190,150,006.84/371,206.11
  6. Step 6: Final answer
    x = 277,986.13

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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.