Home / 141,054.59-211,519.44-66,114.20

Finding the Fourth Proportional to 141,054.59, 211,519.44 and 66,114.20

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Solution

The fourth proportional to 141,054.59, 211,519.44 and 66,114.20 is: 99,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,054.59 : 211,519.44 = 66,114.20 : x
  2. Step 2: Convert to fraction form
    141,054.59/211,519.44 = 66,114.20/x
  3. Step 3: Cross multiply
    141,054.59x = 211,519.44 × 66,114.20
  4. Step 4: Simplify right side
    141,054.59x = 13,984,437,502.45
  5. Step 5: Solve for x
    x = 13,984,437,502.45/141,054.59
  6. Step 6: Final answer
    x = 99,142.03

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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.