Home / 141,118.12-211,742-61,180.48

Finding the Fourth Proportional to 141,118.12, 211,742 and 61,180.48

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Solution

The fourth proportional to 141,118.12, 211,742 and 61,180.48 is: 91,798.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,118.12 : 211,742 = 61,180.48 : x
  2. Step 2: Convert to fraction form
    141,118.12/211,742 = 61,180.48/x
  3. Step 3: Cross multiply
    141,118.12x = 211,742 × 61,180.48
  4. Step 4: Simplify right side
    141,118.12x = 12,954,477,196.16
  5. Step 5: Solve for x
    x = 12,954,477,196.16/141,118.12
  6. Step 6: Final answer
    x = 91,798.82

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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.