Home / 160,892.87-222,029.31-89,271.65

Finding the Fourth Proportional to 160,892.87, 222,029.31 and 89,271.65

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Solution

The fourth proportional to 160,892.87, 222,029.31 and 89,271.65 is: 123,193.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,892.87 : 222,029.31 = 89,271.65 : x
  2. Step 2: Convert to fraction form
    160,892.87/222,029.31 = 89,271.65/x
  3. Step 3: Cross multiply
    160,892.87x = 222,029.31 × 89,271.65
  4. Step 4: Simplify right side
    160,892.87x = 19,820,922,852.06
  5. Step 5: Solve for x
    x = 19,820,922,852.06/160,892.87
  6. Step 6: Final answer
    x = 123,193.30

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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.