Home / 319,881.45-441,534.14-197,411.28

Finding the Fourth Proportional to 319,881.45, 441,534.14 and 197,411.28

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Solution

The fourth proportional to 319,881.45, 441,534.14 and 197,411.28 is: 272,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,881.45 : 441,534.14 = 197,411.28 : x
  2. Step 2: Convert to fraction form
    319,881.45/441,534.14 = 197,411.28/x
  3. Step 3: Cross multiply
    319,881.45x = 441,534.14 × 197,411.28
  4. Step 4: Simplify right side
    319,881.45x = 87,163,817,838.58
  5. Step 5: Solve for x
    x = 87,163,817,838.58/319,881.45
  6. Step 6: Final answer
    x = 272,487.88

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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.