Home / 160,400.48-221,357.88-92,412.11

Finding the Fourth Proportional to 160,400.48, 221,357.88 and 92,412.11

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Solution

The fourth proportional to 160,400.48, 221,357.88 and 92,412.11 is: 127,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,400.48 : 221,357.88 = 92,412.11 : x
  2. Step 2: Convert to fraction form
    160,400.48/221,357.88 = 92,412.11/x
  3. Step 3: Cross multiply
    160,400.48x = 221,357.88 × 92,412.11
  4. Step 4: Simplify right side
    160,400.48x = 20,456,149,309.32
  5. Step 5: Solve for x
    x = 20,456,149,309.32/160,400.48
  6. Step 6: Final answer
    x = 127,531.73

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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.