Home / 257,037.23-354,715.79-140,760.92

Finding the Fourth Proportional to 257,037.23, 354,715.79 and 140,760.92

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Solution

The fourth proportional to 257,037.23, 354,715.79 and 140,760.92 is: 194,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,037.23 : 354,715.79 = 140,760.92 : x
  2. Step 2: Convert to fraction form
    257,037.23/354,715.79 = 140,760.92/x
  3. Step 3: Cross multiply
    257,037.23x = 354,715.79 × 140,760.92
  4. Step 4: Simplify right side
    257,037.23x = 49,930,118,461.54
  5. Step 5: Solve for x
    x = 49,930,118,461.54/257,037.23
  6. Step 6: Final answer
    x = 194,252.48

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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.