Home / 456,283.31-684,521.34-171,967.85

Finding the Fourth Proportional to 456,283.31, 684,521.34 and 171,967.85

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Solution

The fourth proportional to 456,283.31, 684,521.34 and 171,967.85 is: 257,988.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,283.31 : 684,521.34 = 171,967.85 : x
  2. Step 2: Convert to fraction form
    456,283.31/684,521.34 = 171,967.85/x
  3. Step 3: Cross multiply
    456,283.31x = 684,521.34 × 171,967.85
  4. Step 4: Simplify right side
    456,283.31x = 117,715,663,118.92
  5. Step 5: Solve for x
    x = 117,715,663,118.92/456,283.31
  6. Step 6: Final answer
    x = 257,988.10

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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.