Home / 160,819.92-221,927.64-89,199.36

Finding the Fourth Proportional to 160,819.92, 221,927.64 and 89,199.36

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Solution

The fourth proportional to 160,819.92, 221,927.64 and 89,199.36 is: 123,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,819.92 : 221,927.64 = 89,199.36 : x
  2. Step 2: Convert to fraction form
    160,819.92/221,927.64 = 89,199.36/x
  3. Step 3: Cross multiply
    160,819.92x = 221,927.64 × 89,199.36
  4. Step 4: Simplify right side
    160,819.92x = 19,795,803,454.31
  5. Step 5: Solve for x
    x = 19,795,803,454.31/160,819.92
  6. Step 6: Final answer
    x = 123,092.98

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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.