Home / 252,844.02-379,043.40-103,210.11

Finding the Fourth Proportional to 252,844.02, 379,043.40 and 103,210.11

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Solution

The fourth proportional to 252,844.02, 379,043.40 and 103,210.11 is: 154,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,844.02 : 379,043.40 = 103,210.11 : x
  2. Step 2: Convert to fraction form
    252,844.02/379,043.40 = 103,210.11/x
  3. Step 3: Cross multiply
    252,844.02x = 379,043.40 × 103,210.11
  4. Step 4: Simplify right side
    252,844.02x = 39,121,111,008.77
  5. Step 5: Solve for x
    x = 39,121,111,008.77/252,844.02
  6. Step 6: Final answer
    x = 154,724.29

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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.