Home / 371,192.08-512,246.38-201,426.20

Finding the Fourth Proportional to 371,192.08, 512,246.38 and 201,426.20

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Solution

The fourth proportional to 371,192.08, 512,246.38 and 201,426.20 is: 277,968.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,192.08 : 512,246.38 = 201,426.20 : x
  2. Step 2: Convert to fraction form
    371,192.08/512,246.38 = 201,426.20/x
  3. Step 3: Cross multiply
    371,192.08x = 512,246.38 × 201,426.20
  4. Step 4: Simplify right side
    371,192.08x = 103,179,841,787.16
  5. Step 5: Solve for x
    x = 103,179,841,787.16/371,192.08
  6. Step 6: Final answer
    x = 277,968.87

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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.