Home / 141,601.60-212,056.80-67,643.20

Finding the Fourth Proportional to 141,601.60, 212,056.80 and 67,643.20

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Solution

The fourth proportional to 141,601.60, 212,056.80 and 67,643.20 is: 101,299.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,601.60 : 212,056.80 = 67,643.20 : x
  2. Step 2: Convert to fraction form
    141,601.60/212,056.80 = 67,643.20/x
  3. Step 3: Cross multiply
    141,601.60x = 212,056.80 × 67,643.20
  4. Step 4: Simplify right side
    141,601.60x = 14,344,200,533.76
  5. Step 5: Solve for x
    x = 14,344,200,533.76/141,601.60
  6. Step 6: Final answer
    x = 101,299.71

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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.