Home / 141,248.96-211,550.88-67,428.80

Finding the Fourth Proportional to 141,248.96, 211,550.88 and 67,428.80

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Solution

The fourth proportional to 141,248.96, 211,550.88 and 67,428.80 is: 100,989.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,248.96 : 211,550.88 = 67,428.80 : x
  2. Step 2: Convert to fraction form
    141,248.96/211,550.88 = 67,428.80/x
  3. Step 3: Cross multiply
    141,248.96x = 211,550.88 × 67,428.80
  4. Step 4: Simplify right side
    141,248.96x = 14,264,621,977.34
  5. Step 5: Solve for x
    x = 14,264,621,977.34/141,248.96
  6. Step 6: Final answer
    x = 100,989.22

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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.