Home / 129,868.40-194,802.60-59,884.40

Finding the Fourth Proportional to 129,868.40, 194,802.60 and 59,884.40

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Solution

The fourth proportional to 129,868.40, 194,802.60 and 59,884.40 is: 89,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,868.40 : 194,802.60 = 59,884.40 : x
  2. Step 2: Convert to fraction form
    129,868.40/194,802.60 = 59,884.40/x
  3. Step 3: Cross multiply
    129,868.40x = 194,802.60 × 59,884.40
  4. Step 4: Simplify right side
    129,868.40x = 11,665,636,819.44
  5. Step 5: Solve for x
    x = 11,665,636,819.44/129,868.40
  6. Step 6: Final answer
    x = 89,826.60

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1.5x scale

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.