Home / 251,559.12-377,341.31-74,069.49

Finding the Fourth Proportional to 251,559.12, 377,341.31 and 74,069.49

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Solution

The fourth proportional to 251,559.12, 377,341.31 and 74,069.49 is: 111,105.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,559.12 : 377,341.31 = 74,069.49 : x
  2. Step 2: Convert to fraction form
    251,559.12/377,341.31 = 74,069.49/x
  3. Step 3: Cross multiply
    251,559.12x = 377,341.31 × 74,069.49
  4. Step 4: Simplify right side
    251,559.12x = 27,949,478,387.63
  5. Step 5: Solve for x
    x = 27,949,478,387.63/251,559.12
  6. Step 6: Final answer
    x = 111,105.01

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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.