Home / 160,335.30-221,393.49-103,003.08

Finding the Fourth Proportional to 160,335.30, 221,393.49 and 103,003.08

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Solution

The fourth proportional to 160,335.30, 221,393.49 and 103,003.08 is: 142,228.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,335.30 : 221,393.49 = 103,003.08 : x
  2. Step 2: Convert to fraction form
    160,335.30/221,393.49 = 103,003.08/x
  3. Step 3: Cross multiply
    160,335.30x = 221,393.49 × 103,003.08
  4. Step 4: Simplify right side
    160,335.30x = 22,804,211,361.95
  5. Step 5: Solve for x
    x = 22,804,211,361.95/160,335.30
  6. Step 6: Final answer
    x = 142,228.26

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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.