Home / 141,973.13-212,897.31-53,164.33

Finding the Fourth Proportional to 141,973.13, 212,897.31 and 53,164.33

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Solution

The fourth proportional to 141,973.13, 212,897.31 and 53,164.33 is: 79,723.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,973.13 : 212,897.31 = 53,164.33 : x
  2. Step 2: Convert to fraction form
    141,973.13/212,897.31 = 53,164.33/x
  3. Step 3: Cross multiply
    141,973.13x = 212,897.31 × 53,164.33
  4. Step 4: Simplify right side
    141,973.13x = 11,318,542,844.95
  5. Step 5: Solve for x
    x = 11,318,542,844.95/141,973.13
  6. Step 6: Final answer
    x = 79,723.13

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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.