Home / 141,091.13-211,705.88-66,217.36

Finding the Fourth Proportional to 141,091.13, 211,705.88 and 66,217.36

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Solution

The fourth proportional to 141,091.13, 211,705.88 and 66,217.36 is: 99,358.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,091.13 : 211,705.88 = 66,217.36 : x
  2. Step 2: Convert to fraction form
    141,091.13/211,705.88 = 66,217.36/x
  3. Step 3: Cross multiply
    141,091.13x = 211,705.88 × 66,217.36
  4. Step 4: Simplify right side
    141,091.13x = 14,018,604,106.36
  5. Step 5: Solve for x
    x = 14,018,604,106.36/141,091.13
  6. Step 6: Final answer
    x = 99,358.51

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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.