Home / 380,946.64-571,414.14-92,760.98

Finding the Fourth Proportional to 380,946.64, 571,414.14 and 92,760.98

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Solution

The fourth proportional to 380,946.64, 571,414.14 and 92,760.98 is: 139,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,946.64 : 571,414.14 = 92,760.98 : x
  2. Step 2: Convert to fraction form
    380,946.64/571,414.14 = 92,760.98/x
  3. Step 3: Cross multiply
    380,946.64x = 571,414.14 × 92,760.98
  4. Step 4: Simplify right side
    380,946.64x = 53,004,935,612.26
  5. Step 5: Solve for x
    x = 53,004,935,612.26/380,946.64
  6. Step 6: Final answer
    x = 139,140.05

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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.