Home / 153,630.27-211,910.78-101,946.23

Finding the Fourth Proportional to 153,630.27, 211,910.78 and 101,946.23

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Solution

The fourth proportional to 153,630.27, 211,910.78 and 101,946.23 is: 140,620.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,630.27 : 211,910.78 = 101,946.23 : x
  2. Step 2: Convert to fraction form
    153,630.27/211,910.78 = 101,946.23/x
  3. Step 3: Cross multiply
    153,630.27x = 211,910.78 × 101,946.23
  4. Step 4: Simplify right side
    153,630.27x = 21,603,505,107.34
  5. Step 5: Solve for x
    x = 21,603,505,107.34/153,630.27
  6. Step 6: Final answer
    x = 140,620.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.