Home / 141,006.30-211,509.45-99,015.90

Finding the Fourth Proportional to 141,006.30, 211,509.45 and 99,015.90

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Solution

The fourth proportional to 141,006.30, 211,509.45 and 99,015.90 is: 148,523.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,006.30 : 211,509.45 = 99,015.90 : x
  2. Step 2: Convert to fraction form
    141,006.30/211,509.45 = 99,015.90/x
  3. Step 3: Cross multiply
    141,006.30x = 211,509.45 × 99,015.90
  4. Step 4: Simplify right side
    141,006.30x = 20,942,798,550.26
  5. Step 5: Solve for x
    x = 20,942,798,550.26/141,006.30
  6. Step 6: Final answer
    x = 148,523.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.