Home / 141,412.32-195,150.96-77,752.80

Finding the Fourth Proportional to 141,412.32, 195,150.96 and 77,752.80

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Solution

The fourth proportional to 141,412.32, 195,150.96 and 77,752.80 is: 107,299.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,412.32 : 195,150.96 = 77,752.80 : x
  2. Step 2: Convert to fraction form
    141,412.32/195,150.96 = 77,752.80/x
  3. Step 3: Cross multiply
    141,412.32x = 195,150.96 × 77,752.80
  4. Step 4: Simplify right side
    141,412.32x = 15,173,533,562.69
  5. Step 5: Solve for x
    x = 15,173,533,562.69/141,412.32
  6. Step 6: Final answer
    x = 107,299.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.