Home / 141,582.02-195,383.07-77,919.86

Finding the Fourth Proportional to 141,582.02, 195,383.07 and 77,919.86

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Solution

The fourth proportional to 141,582.02, 195,383.07 and 77,919.86 is: 107,529.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,582.02 : 195,383.07 = 77,919.86 : x
  2. Step 2: Convert to fraction form
    141,582.02/195,383.07 = 77,919.86/x
  3. Step 3: Cross multiply
    141,582.02x = 195,383.07 × 77,919.86
  4. Step 4: Simplify right side
    141,582.02x = 15,224,221,949.23
  5. Step 5: Solve for x
    x = 15,224,221,949.23/141,582.02
  6. Step 6: Final answer
    x = 107,529.35

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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.