Home / 141,426.67-211,999.87-66,412.53

Finding the Fourth Proportional to 141,426.67, 211,999.87 and 66,412.53

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Solution

The fourth proportional to 141,426.67, 211,999.87 and 66,412.53 is: 99,552.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,426.67 : 211,999.87 = 66,412.53 : x
  2. Step 2: Convert to fraction form
    141,426.67/211,999.87 = 66,412.53/x
  3. Step 3: Cross multiply
    141,426.67x = 211,999.87 × 66,412.53
  4. Step 4: Simplify right side
    141,426.67x = 14,079,447,643.36
  5. Step 5: Solve for x
    x = 14,079,447,643.36/141,426.67
  6. Step 6: Final answer
    x = 99,552.99

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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.