Home / 141,773.02-195,646.65-78,110.81

Finding the Fourth Proportional to 141,773.02, 195,646.65 and 78,110.81

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Solution

The fourth proportional to 141,773.02, 195,646.65 and 78,110.81 is: 107,792.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,773.02 : 195,646.65 = 78,110.81 : x
  2. Step 2: Convert to fraction form
    141,773.02/195,646.65 = 78,110.81/x
  3. Step 3: Cross multiply
    141,773.02x = 195,646.65 × 78,110.81
  4. Step 4: Simplify right side
    141,773.02x = 15,282,118,305.29
  5. Step 5: Solve for x
    x = 15,282,118,305.29/141,773.02
  6. Step 6: Final answer
    x = 107,792.85

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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.