Home / 171,946.60-257,919.90-101,087.80

Finding the Fourth Proportional to 171,946.60, 257,919.90 and 101,087.80

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Solution

The fourth proportional to 171,946.60, 257,919.90 and 101,087.80 is: 151,631.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,946.60 : 257,919.90 = 101,087.80 : x
  2. Step 2: Convert to fraction form
    171,946.60/257,919.90 = 101,087.80/x
  3. Step 3: Cross multiply
    171,946.60x = 257,919.90 × 101,087.80
  4. Step 4: Simplify right side
    171,946.60x = 26,072,555,267.22
  5. Step 5: Solve for x
    x = 26,072,555,267.22/171,946.60
  6. Step 6: Final answer
    x = 151,631.70

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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.