Home / 251,582.05-347,189.57-136,867.15

Finding the Fourth Proportional to 251,582.05, 347,189.57 and 136,867.15

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Solution

The fourth proportional to 251,582.05, 347,189.57 and 136,867.15 is: 188,880.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,582.05 : 347,189.57 = 136,867.15 : x
  2. Step 2: Convert to fraction form
    251,582.05/347,189.57 = 136,867.15/x
  3. Step 3: Cross multiply
    251,582.05x = 347,189.57 × 136,867.15
  4. Step 4: Simplify right side
    251,582.05x = 47,518,846,955.63
  5. Step 5: Solve for x
    x = 47,518,846,955.63/251,582.05
  6. Step 6: Final answer
    x = 188,880.12

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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.