Home / 283,760.81-391,520.28-186,953.93

Finding the Fourth Proportional to 283,760.81, 391,520.28 and 186,953.93

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Solution

The fourth proportional to 283,760.81, 391,520.28 and 186,953.93 is: 257,950.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,760.81 : 391,520.28 = 186,953.93 : x
  2. Step 2: Convert to fraction form
    283,760.81/391,520.28 = 186,953.93/x
  3. Step 3: Cross multiply
    283,760.81x = 391,520.28 × 186,953.93
  4. Step 4: Simplify right side
    283,760.81x = 73,196,253,063.10
  5. Step 5: Solve for x
    x = 73,196,253,063.10/283,760.81
  6. Step 6: Final answer
    x = 257,950.54

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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.