Home / 185,417.51-278,213.74-67,057.07

Finding the Fourth Proportional to 185,417.51, 278,213.74 and 67,057.07

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Solution

The fourth proportional to 185,417.51, 278,213.74 and 67,057.07 is: 100,617.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,417.51 : 278,213.74 = 67,057.07 : x
  2. Step 2: Convert to fraction form
    185,417.51/278,213.74 = 67,057.07/x
  3. Step 3: Cross multiply
    185,417.51x = 278,213.74 × 67,057.07
  4. Step 4: Simplify right side
    185,417.51x = 18,656,196,679.43
  5. Step 5: Solve for x
    x = 18,656,196,679.43/185,417.51
  6. Step 6: Final answer
    x = 100,617.24

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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.