Home / 257,727.17-354,402.29-223,676.51

Finding the Fourth Proportional to 257,727.17, 354,402.29 and 223,676.51

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Solution

The fourth proportional to 257,727.17, 354,402.29 and 223,676.51 is: 307,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,727.17 : 354,402.29 = 223,676.51 : x
  2. Step 2: Convert to fraction form
    257,727.17/354,402.29 = 223,676.51/x
  3. Step 3: Cross multiply
    257,727.17x = 354,402.29 × 223,676.51
  4. Step 4: Simplify right side
    257,727.17x = 79,271,467,882.48
  5. Step 5: Solve for x
    x = 79,271,467,882.48/257,727.17
  6. Step 6: Final answer
    x = 307,579.01

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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.