Home / 141,563.16-212,475.96-71,491.68

Finding the Fourth Proportional to 141,563.16, 212,475.96 and 71,491.68

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Solution

The fourth proportional to 141,563.16, 212,475.96 and 71,491.68 is: 107,303.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,563.16 : 212,475.96 = 71,491.68 : x
  2. Step 2: Convert to fraction form
    141,563.16/212,475.96 = 71,491.68/x
  3. Step 3: Cross multiply
    141,563.16x = 212,475.96 × 71,491.68
  4. Step 4: Simplify right side
    141,563.16x = 15,190,263,340.01
  5. Step 5: Solve for x
    x = 15,190,263,340.01/141,563.16
  6. Step 6: Final answer
    x = 107,303.79

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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.