Home / 283,345.68-391,037.28-159,176.72

Finding the Fourth Proportional to 283,345.68, 391,037.28 and 159,176.72

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Solution

The fourth proportional to 283,345.68, 391,037.28 and 159,176.72 is: 219,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,345.68 : 391,037.28 = 159,176.72 : x
  2. Step 2: Convert to fraction form
    283,345.68/391,037.28 = 159,176.72/x
  3. Step 3: Cross multiply
    283,345.68x = 391,037.28 × 159,176.72
  4. Step 4: Simplify right side
    283,345.68x = 62,244,031,628.12
  5. Step 5: Solve for x
    x = 62,244,031,628.12/283,345.68
  6. Step 6: Final answer
    x = 219,675.24

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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.