Home / 371,256.02-512,330.29-201,490.22

Finding the Fourth Proportional to 371,256.02, 512,330.29 and 201,490.22

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Solution

The fourth proportional to 371,256.02, 512,330.29 and 201,490.22 is: 278,054.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,256.02 : 512,330.29 = 201,490.22 : x
  2. Step 2: Convert to fraction form
    371,256.02/512,330.29 = 201,490.22/x
  3. Step 3: Cross multiply
    371,256.02x = 512,330.29 × 201,490.22
  4. Step 4: Simplify right side
    371,256.02x = 103,229,542,844.76
  5. Step 5: Solve for x
    x = 103,229,542,844.76/371,256.02
  6. Step 6: Final answer
    x = 278,054.87

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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.