Home / 289,182.18-398,865.42-176,012.22

Finding the Fourth Proportional to 289,182.18, 398,865.42 and 176,012.22

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Solution

The fourth proportional to 289,182.18, 398,865.42 and 176,012.22 is: 242,771.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,182.18 : 398,865.42 = 176,012.22 : x
  2. Step 2: Convert to fraction form
    289,182.18/398,865.42 = 176,012.22/x
  3. Step 3: Cross multiply
    289,182.18x = 398,865.42 × 176,012.22
  4. Step 4: Simplify right side
    289,182.18x = 70,205,188,055.43
  5. Step 5: Solve for x
    x = 70,205,188,055.43/289,182.18
  6. Step 6: Final answer
    x = 242,771.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.