Home / 220,641.29-304,475.36-122,518.44

Finding the Fourth Proportional to 220,641.29, 304,475.36 and 122,518.44

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Solution

The fourth proportional to 220,641.29, 304,475.36 and 122,518.44 is: 169,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,641.29 : 304,475.36 = 122,518.44 : x
  2. Step 2: Convert to fraction form
    220,641.29/304,475.36 = 122,518.44/x
  3. Step 3: Cross multiply
    220,641.29x = 304,475.36 × 122,518.44
  4. Step 4: Simplify right side
    220,641.29x = 37,303,846,125.64
  5. Step 5: Solve for x
    x = 37,303,846,125.64/220,641.29
  6. Step 6: Final answer
    x = 169,070.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.