Home / 371,057.32-512,060.09-201,291.45

Finding the Fourth Proportional to 371,057.32, 512,060.09 and 201,291.45

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Solution

The fourth proportional to 371,057.32, 512,060.09 and 201,291.45 is: 277,782.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,057.32 : 512,060.09 = 201,291.45 : x
  2. Step 2: Convert to fraction form
    371,057.32/512,060.09 = 201,291.45/x
  3. Step 3: Cross multiply
    371,057.32x = 512,060.09 × 201,291.45
  4. Step 4: Simplify right side
    371,057.32x = 103,073,318,003.23
  5. Step 5: Solve for x
    x = 103,073,318,003.23/371,057.32
  6. Step 6: Final answer
    x = 277,782.74

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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.