Home / 142,705.19-214,059.87-67,833.02

Finding the Fourth Proportional to 142,705.19, 214,059.87 and 67,833.02

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Solution

The fourth proportional to 142,705.19, 214,059.87 and 67,833.02 is: 101,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,705.19 : 214,059.87 = 67,833.02 : x
  2. Step 2: Convert to fraction form
    142,705.19/214,059.87 = 67,833.02/x
  3. Step 3: Cross multiply
    142,705.19x = 214,059.87 × 67,833.02
  4. Step 4: Simplify right side
    142,705.19x = 14,520,326,372.61
  5. Step 5: Solve for x
    x = 14,520,326,372.61/142,705.19
  6. Step 6: Final answer
    x = 101,750.52

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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.