Home / 141,570.70-212,356.05-79,233.10

Finding the Fourth Proportional to 141,570.70, 212,356.05 and 79,233.10

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Solution

The fourth proportional to 141,570.70, 212,356.05 and 79,233.10 is: 118,849.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,570.70 : 212,356.05 = 79,233.10 : x
  2. Step 2: Convert to fraction form
    141,570.70/212,356.05 = 79,233.10/x
  3. Step 3: Cross multiply
    141,570.70x = 212,356.05 × 79,233.10
  4. Step 4: Simplify right side
    141,570.70x = 16,825,628,145.26
  5. Step 5: Solve for x
    x = 16,825,628,145.26/141,570.70
  6. Step 6: Final answer
    x = 118,849.65

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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.