Home / 160,335.80-221,394.20-103,003.60

Finding the Fourth Proportional to 160,335.80, 221,394.20 and 103,003.60

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Solution

The fourth proportional to 160,335.80, 221,394.20 and 103,003.60 is: 142,228.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,335.80 : 221,394.20 = 103,003.60 : x
  2. Step 2: Convert to fraction form
    160,335.80/221,394.20 = 103,003.60/x
  3. Step 3: Cross multiply
    160,335.80x = 221,394.20 × 103,003.60
  4. Step 4: Simplify right side
    160,335.80x = 22,804,399,619.12
  5. Step 5: Solve for x
    x = 22,804,399,619.12/160,335.80
  6. Step 6: Final answer
    x = 142,228.99

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1.5x scale

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.