Home / 127,681.22-191,514.63-56,583.38

Finding the Fourth Proportional to 127,681.22, 191,514.63 and 56,583.38

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Solution

The fourth proportional to 127,681.22, 191,514.63 and 56,583.38 is: 84,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,681.22 : 191,514.63 = 56,583.38 : x
  2. Step 2: Convert to fraction form
    127,681.22/191,514.63 = 56,583.38/x
  3. Step 3: Cross multiply
    127,681.22x = 191,514.63 × 56,583.38
  4. Step 4: Simplify right side
    127,681.22x = 10,836,545,084.85
  5. Step 5: Solve for x
    x = 10,836,545,084.85/127,681.22
  6. Step 6: Final answer
    x = 84,871.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.