Home / 257,043.24-354,686.04-149,632.38

Finding the Fourth Proportional to 257,043.24, 354,686.04 and 149,632.38

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Solution

The fourth proportional to 257,043.24, 354,686.04 and 149,632.38 is: 206,473.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,043.24 : 354,686.04 = 149,632.38 : x
  2. Step 2: Convert to fraction form
    257,043.24/354,686.04 = 149,632.38/x
  3. Step 3: Cross multiply
    257,043.24x = 354,686.04 × 149,632.38
  4. Step 4: Simplify right side
    257,043.24x = 53,072,516,317.98
  5. Step 5: Solve for x
    x = 53,072,516,317.98/257,043.24
  6. Step 6: Final answer
    x = 206,473.11

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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.