Home / 407,134.43-561,848.63-223,371.77

Finding the Fourth Proportional to 407,134.43, 561,848.63 and 223,371.77

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Solution

The fourth proportional to 407,134.43, 561,848.63 and 223,371.77 is: 308,254.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,134.43 : 561,848.63 = 223,371.77 : x
  2. Step 2: Convert to fraction form
    407,134.43/561,848.63 = 223,371.77/x
  3. Step 3: Cross multiply
    407,134.43x = 561,848.63 × 223,371.77
  4. Step 4: Simplify right side
    407,134.43x = 125,501,121,838.32
  5. Step 5: Solve for x
    x = 125,501,121,838.32/407,134.43
  6. Step 6: Final answer
    x = 308,254.75

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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.