Home / 253,682.10-380,287.80-93,669.66

Finding the Fourth Proportional to 253,682.10, 380,287.80 and 93,669.66

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Solution

The fourth proportional to 253,682.10, 380,287.80 and 93,669.66 is: 140,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,682.10 : 380,287.80 = 93,669.66 : x
  2. Step 2: Convert to fraction form
    253,682.10/380,287.80 = 93,669.66/x
  3. Step 3: Cross multiply
    253,682.10x = 380,287.80 × 93,669.66
  4. Step 4: Simplify right side
    253,682.10x = 35,621,428,928.15
  5. Step 5: Solve for x
    x = 35,621,428,928.15/253,682.10
  6. Step 6: Final answer
    x = 140,417.59

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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.