Home / 172,056.60-258,121.35-52,103.70

Finding the Fourth Proportional to 172,056.60, 258,121.35 and 52,103.70

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Solution

The fourth proportional to 172,056.60, 258,121.35 and 52,103.70 is: 78,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,056.60 : 258,121.35 = 52,103.70 : x
  2. Step 2: Convert to fraction form
    172,056.60/258,121.35 = 52,103.70/x
  3. Step 3: Cross multiply
    172,056.60x = 258,121.35 × 52,103.70
  4. Step 4: Simplify right side
    172,056.60x = 13,449,077,384.00
  5. Step 5: Solve for x
    x = 13,449,077,384.00/172,056.60
  6. Step 6: Final answer
    x = 78,166.59

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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.