Home / 141,528.48-195,317.44-77,867.84

Finding the Fourth Proportional to 141,528.48, 195,317.44 and 77,867.84

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Solution

The fourth proportional to 141,528.48, 195,317.44 and 77,867.84 is: 107,462.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,528.48 : 195,317.44 = 77,867.84 : x
  2. Step 2: Convert to fraction form
    141,528.48/195,317.44 = 77,867.84/x
  3. Step 3: Cross multiply
    141,528.48x = 195,317.44 × 77,867.84
  4. Step 4: Simplify right side
    141,528.48x = 15,208,947,167.13
  5. Step 5: Solve for x
    x = 15,208,947,167.13/141,528.48
  6. Step 6: Final answer
    x = 107,462.10

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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.