Home / 160,895.13-222,048-89,289.09

Finding the Fourth Proportional to 160,895.13, 222,048 and 89,289.09

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Solution

The fourth proportional to 160,895.13, 222,048 and 89,289.09 is: 123,226.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,895.13 : 222,048 = 89,289.09 : x
  2. Step 2: Convert to fraction form
    160,895.13/222,048 = 89,289.09/x
  3. Step 3: Cross multiply
    160,895.13x = 222,048 × 89,289.09
  4. Step 4: Simplify right side
    160,895.13x = 19,826,463,856.32
  5. Step 5: Solve for x
    x = 19,826,463,856.32/160,895.13
  6. Step 6: Final answer
    x = 123,226.00

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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.