Home / 548,109.34-822,124.49-168,990.50

Finding the Fourth Proportional to 548,109.34, 822,124.49 and 168,990.50

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Solution

The fourth proportional to 548,109.34, 822,124.49 and 168,990.50 is: 253,473.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,109.34 : 822,124.49 = 168,990.50 : x
  2. Step 2: Convert to fraction form
    548,109.34/822,124.49 = 168,990.50/x
  3. Step 3: Cross multiply
    548,109.34x = 822,124.49 × 168,990.50
  4. Step 4: Simplify right side
    548,109.34x = 138,931,230,728.87
  5. Step 5: Solve for x
    x = 138,931,230,728.87/548,109.34
  6. Step 6: Final answer
    x = 253,473.57

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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.