Home / 283,126.52-390,703.03-162,183.74

Finding the Fourth Proportional to 283,126.52, 390,703.03 and 162,183.74

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Solution

The fourth proportional to 283,126.52, 390,703.03 and 162,183.74 is: 223,806.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,126.52 : 390,703.03 = 162,183.74 : x
  2. Step 2: Convert to fraction form
    283,126.52/390,703.03 = 162,183.74/x
  3. Step 3: Cross multiply
    283,126.52x = 390,703.03 × 162,183.74
  4. Step 4: Simplify right side
    283,126.52x = 63,365,676,275.76
  5. Step 5: Solve for x
    x = 63,365,676,275.76/283,126.52
  6. Step 6: Final answer
    x = 223,806.92

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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.