Home / 141,180.86-211,709.12-66,322.28

Finding the Fourth Proportional to 141,180.86, 211,709.12 and 66,322.28

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Solution

The fourth proportional to 141,180.86, 211,709.12 and 66,322.28 is: 99,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,180.86 : 211,709.12 = 66,322.28 : x
  2. Step 2: Convert to fraction form
    141,180.86/211,709.12 = 66,322.28/x
  3. Step 3: Cross multiply
    141,180.86x = 211,709.12 × 66,322.28
  4. Step 4: Simplify right side
    141,180.86x = 14,041,030,145.04
  5. Step 5: Solve for x
    x = 14,041,030,145.04/141,180.86
  6. Step 6: Final answer
    x = 99,454.21

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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.