Home / 141,357.10-212,043.60-45,302.68

Finding the Fourth Proportional to 141,357.10, 212,043.60 and 45,302.68

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Solution

The fourth proportional to 141,357.10, 212,043.60 and 45,302.68 is: 67,956.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,357.10 : 212,043.60 = 45,302.68 : x
  2. Step 2: Convert to fraction form
    141,357.10/212,043.60 = 45,302.68/x
  3. Step 3: Cross multiply
    141,357.10x = 212,043.60 × 45,302.68
  4. Step 4: Simplify right side
    141,357.10x = 9,606,143,356.85
  5. Step 5: Solve for x
    x = 9,606,143,356.85/141,357.10
  6. Step 6: Final answer
    x = 67,956.57

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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.