Home / 141,529.55-212,119.37-71,370.59

Finding the Fourth Proportional to 141,529.55, 212,119.37 and 71,370.59

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Solution

The fourth proportional to 141,529.55, 212,119.37 and 71,370.59 is: 106,967.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,529.55 : 212,119.37 = 71,370.59 : x
  2. Step 2: Convert to fraction form
    141,529.55/212,119.37 = 71,370.59/x
  3. Step 3: Cross multiply
    141,529.55x = 212,119.37 × 71,370.59
  4. Step 4: Simplify right side
    141,529.55x = 15,139,084,230.48
  5. Step 5: Solve for x
    x = 15,139,084,230.48/141,529.55
  6. Step 6: Final answer
    x = 106,967.66

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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.