Home / 371,192.28-512,246.74-201,426.42

Finding the Fourth Proportional to 371,192.28, 512,246.74 and 201,426.42

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Solution

The fourth proportional to 371,192.28, 512,246.74 and 201,426.42 is: 277,969.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,192.28 : 512,246.74 = 201,426.42 : x
  2. Step 2: Convert to fraction form
    371,192.28/512,246.74 = 201,426.42/x
  3. Step 3: Cross multiply
    371,192.28x = 512,246.74 × 201,426.42
  4. Step 4: Simplify right side
    371,192.28x = 103,180,026,994.87
  5. Step 5: Solve for x
    x = 103,180,026,994.87/371,192.28
  6. Step 6: Final answer
    x = 277,969.22

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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.