Home / 112,283.04-168,325.46-45,778.80

Finding the Fourth Proportional to 112,283.04, 168,325.46 and 45,778.80

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Solution

The fourth proportional to 112,283.04, 168,325.46 and 45,778.80 is: 68,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,283.04 : 168,325.46 = 45,778.80 : x
  2. Step 2: Convert to fraction form
    112,283.04/168,325.46 = 45,778.80/x
  3. Step 3: Cross multiply
    112,283.04x = 168,325.46 × 45,778.80
  4. Step 4: Simplify right side
    112,283.04x = 7,705,737,568.25
  5. Step 5: Solve for x
    x = 7,705,737,568.25/112,283.04
  6. Step 6: Final answer
    x = 68,627.80

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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.