Home / 129,928.60-194,835.30-59,829.40

Finding the Fourth Proportional to 129,928.60, 194,835.30 and 59,829.40

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Solution

The fourth proportional to 129,928.60, 194,835.30 and 59,829.40 is: 89,717.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,928.60 : 194,835.30 = 59,829.40 : x
  2. Step 2: Convert to fraction form
    129,928.60/194,835.30 = 59,829.40/x
  3. Step 3: Cross multiply
    129,928.60x = 194,835.30 × 59,829.40
  4. Step 4: Simplify right side
    129,928.60x = 11,656,879,097.82
  5. Step 5: Solve for x
    x = 11,656,879,097.82/129,928.60
  6. Step 6: Final answer
    x = 89,717.58

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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.