Home / 141,272.76-211,529.70-74,574.12

Finding the Fourth Proportional to 141,272.76, 211,529.70 and 74,574.12

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Solution

The fourth proportional to 141,272.76, 211,529.70 and 74,574.12 is: 111,660.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,272.76 : 211,529.70 = 74,574.12 : x
  2. Step 2: Convert to fraction form
    141,272.76/211,529.70 = 74,574.12/x
  3. Step 3: Cross multiply
    141,272.76x = 211,529.70 × 74,574.12
  4. Step 4: Simplify right side
    141,272.76x = 15,774,641,231.36
  5. Step 5: Solve for x
    x = 15,774,641,231.36/141,272.76
  6. Step 6: Final answer
    x = 111,660.88

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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.