Home / 141,401.24-212,101.90-66,466.36

Finding the Fourth Proportional to 141,401.24, 212,101.90 and 66,466.36

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Solution

The fourth proportional to 141,401.24, 212,101.90 and 66,466.36 is: 99,699.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,401.24 : 212,101.90 = 66,466.36 : x
  2. Step 2: Convert to fraction form
    141,401.24/212,101.90 = 66,466.36/x
  3. Step 3: Cross multiply
    141,401.24x = 212,101.90 × 66,466.36
  4. Step 4: Simplify right side
    141,401.24x = 14,097,641,242.08
  5. Step 5: Solve for x
    x = 14,097,641,242.08/141,401.24
  6. Step 6: Final answer
    x = 99,699.56

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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.