Home / 141,877.53-195,800.71-86,710.57

Finding the Fourth Proportional to 141,877.53, 195,800.71 and 86,710.57

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Solution

The fourth proportional to 141,877.53, 195,800.71 and 86,710.57 is: 119,666.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,877.53 : 195,800.71 = 86,710.57 : x
  2. Step 2: Convert to fraction form
    141,877.53/195,800.71 = 86,710.57/x
  3. Step 3: Cross multiply
    141,877.53x = 195,800.71 × 86,710.57
  4. Step 4: Simplify right side
    141,877.53x = 16,977,991,170.50
  5. Step 5: Solve for x
    x = 16,977,991,170.50/141,877.53
  6. Step 6: Final answer
    x = 119,666.53

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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.