Home / 141,647.52-212,226.14-99,447.60

Finding the Fourth Proportional to 141,647.52, 212,226.14 and 99,447.60

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Solution

The fourth proportional to 141,647.52, 212,226.14 and 99,447.60 is: 148,999.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,647.52 : 212,226.14 = 99,447.60 : x
  2. Step 2: Convert to fraction form
    141,647.52/212,226.14 = 99,447.60/x
  3. Step 3: Cross multiply
    141,647.52x = 212,226.14 × 99,447.60
  4. Step 4: Simplify right side
    141,647.52x = 21,105,380,280.26
  5. Step 5: Solve for x
    x = 21,105,380,280.26/141,647.52
  6. Step 6: Final answer
    x = 148,999.29

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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.