Home / 211,253.19-316,666.54-132,422.77

Finding the Fourth Proportional to 211,253.19, 316,666.54 and 132,422.77

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Solution

The fourth proportional to 211,253.19, 316,666.54 and 132,422.77 is: 198,500.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,253.19 : 316,666.54 = 132,422.77 : x
  2. Step 2: Convert to fraction form
    211,253.19/316,666.54 = 132,422.77/x
  3. Step 3: Cross multiply
    211,253.19x = 316,666.54 × 132,422.77
  4. Step 4: Simplify right side
    211,253.19x = 41,933,860,393.12
  5. Step 5: Solve for x
    x = 41,933,860,393.12/211,253.19
  6. Step 6: Final answer
    x = 198,500.48

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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.