Home / 170,731.22-256,124.55-64,123.40

Finding the Fourth Proportional to 170,731.22, 256,124.55 and 64,123.40

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Solution

The fourth proportional to 170,731.22, 256,124.55 and 64,123.40 is: 96,195.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,731.22 : 256,124.55 = 64,123.40 : x
  2. Step 2: Convert to fraction form
    170,731.22/256,124.55 = 64,123.40/x
  3. Step 3: Cross multiply
    170,731.22x = 256,124.55 × 64,123.40
  4. Step 4: Simplify right side
    170,731.22x = 16,423,576,969.47
  5. Step 5: Solve for x
    x = 16,423,576,969.47/170,731.22
  6. Step 6: Final answer
    x = 96,195.51

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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.