Home / 331,407.18-457,196.43-223,938.06

Finding the Fourth Proportional to 331,407.18, 457,196.43 and 223,938.06

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Solution

The fourth proportional to 331,407.18, 457,196.43 and 223,938.06 is: 308,936.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,407.18 : 457,196.43 = 223,938.06 : x
  2. Step 2: Convert to fraction form
    331,407.18/457,196.43 = 223,938.06/x
  3. Step 3: Cross multiply
    331,407.18x = 457,196.43 × 223,938.06
  4. Step 4: Simplify right side
    331,407.18x = 102,383,681,573.13
  5. Step 5: Solve for x
    x = 102,383,681,573.13/331,407.18
  6. Step 6: Final answer
    x = 308,936.22

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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.