Home / 162,037.40-223,605.78-101,640.56

Finding the Fourth Proportional to 162,037.40, 223,605.78 and 101,640.56

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Solution

The fourth proportional to 162,037.40, 223,605.78 and 101,640.56 is: 140,260.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,037.40 : 223,605.78 = 101,640.56 : x
  2. Step 2: Convert to fraction form
    162,037.40/223,605.78 = 101,640.56/x
  3. Step 3: Cross multiply
    162,037.40x = 223,605.78 × 101,640.56
  4. Step 4: Simplify right side
    162,037.40x = 22,727,416,698.44
  5. Step 5: Solve for x
    x = 22,727,416,698.44/162,037.40
  6. Step 6: Final answer
    x = 140,260.31

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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.