Home / 326,913.10-489,456.02-176,614.90

Finding the Fourth Proportional to 326,913.10, 489,456.02 and 176,614.90

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Solution

The fourth proportional to 326,913.10, 489,456.02 and 176,614.90 is: 264,428.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,913.10 : 489,456.02 = 176,614.90 : x
  2. Step 2: Convert to fraction form
    326,913.10/489,456.02 = 176,614.90/x
  3. Step 3: Cross multiply
    326,913.10x = 489,456.02 × 176,614.90
  4. Step 4: Simplify right side
    326,913.10x = 86,445,226,026.70
  5. Step 5: Solve for x
    x = 86,445,226,026.70/326,913.10
  6. Step 6: Final answer
    x = 264,428.76

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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.