Home / 276,854.49-415,333.46-190,663.83

Finding the Fourth Proportional to 276,854.49, 415,333.46 and 190,663.83

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Solution

The fourth proportional to 276,854.49, 415,333.46 and 190,663.83 is: 286,031.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,854.49 : 415,333.46 = 190,663.83 : x
  2. Step 2: Convert to fraction form
    276,854.49/415,333.46 = 190,663.83/x
  3. Step 3: Cross multiply
    276,854.49x = 415,333.46 × 190,663.83
  4. Step 4: Simplify right side
    276,854.49x = 79,189,068,210.75
  5. Step 5: Solve for x
    x = 79,189,068,210.75/276,854.49
  6. Step 6: Final answer
    x = 286,031.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.