Home / 331,667.17-457,712.93-188,451.47

Finding the Fourth Proportional to 331,667.17, 457,712.93 and 188,451.47

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Solution

The fourth proportional to 331,667.17, 457,712.93 and 188,451.47 is: 260,069.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,667.17 : 457,712.93 = 188,451.47 : x
  2. Step 2: Convert to fraction form
    331,667.17/457,712.93 = 188,451.47/x
  3. Step 3: Cross multiply
    331,667.17x = 457,712.93 × 188,451.47
  4. Step 4: Simplify right side
    331,667.17x = 86,256,674,496.51
  5. Step 5: Solve for x
    x = 86,256,674,496.51/331,667.17
  6. Step 6: Final answer
    x = 260,069.98

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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.