Home / 141,810.90-212,753.24-53,071.26

Finding the Fourth Proportional to 141,810.90, 212,753.24 and 53,071.26

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Solution

The fourth proportional to 141,810.90, 212,753.24 and 53,071.26 is: 79,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,810.90 : 212,753.24 = 53,071.26 : x
  2. Step 2: Convert to fraction form
    141,810.90/212,753.24 = 53,071.26/x
  3. Step 3: Cross multiply
    141,810.90x = 212,753.24 × 53,071.26
  4. Step 4: Simplify right side
    141,810.90x = 11,291,082,515.88
  5. Step 5: Solve for x
    x = 11,291,082,515.88/141,810.90
  6. Step 6: Final answer
    x = 79,620.70

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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.