Home / 253,269.06-379,792.80-120,187.29

Finding the Fourth Proportional to 253,269.06, 379,792.80 and 120,187.29

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Solution

The fourth proportional to 253,269.06, 379,792.80 and 120,187.29 is: 180,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,269.06 : 379,792.80 = 120,187.29 : x
  2. Step 2: Convert to fraction form
    253,269.06/379,792.80 = 120,187.29/x
  3. Step 3: Cross multiply
    253,269.06x = 379,792.80 × 120,187.29
  4. Step 4: Simplify right side
    253,269.06x = 45,646,267,393.51
  5. Step 5: Solve for x
    x = 45,646,267,393.51/253,269.06
  6. Step 6: Final answer
    x = 180,228.36

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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.