Home / 102,208.77-153,344.49-52,324.21

Finding the Fourth Proportional to 102,208.77, 153,344.49 and 52,324.21

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Solution

The fourth proportional to 102,208.77, 153,344.49 and 52,324.21 is: 78,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,208.77 : 153,344.49 = 52,324.21 : x
  2. Step 2: Convert to fraction form
    102,208.77/153,344.49 = 52,324.21/x
  3. Step 3: Cross multiply
    102,208.77x = 153,344.49 × 52,324.21
  4. Step 4: Simplify right side
    102,208.77x = 8,023,628,268.76
  5. Step 5: Solve for x
    x = 8,023,628,268.76/102,208.77
  6. Step 6: Final answer
    x = 78,502.35

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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.