Home / 146,618.94-202,331.61-89,237.46

Finding the Fourth Proportional to 146,618.94, 202,331.61 and 89,237.46

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Solution

The fourth proportional to 146,618.94, 202,331.61 and 89,237.46 is: 123,146.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,618.94 : 202,331.61 = 89,237.46 : x
  2. Step 2: Convert to fraction form
    146,618.94/202,331.61 = 89,237.46/x
  3. Step 3: Cross multiply
    146,618.94x = 202,331.61 × 89,237.46
  4. Step 4: Simplify right side
    146,618.94x = 18,055,558,954.11
  5. Step 5: Solve for x
    x = 18,055,558,954.11/146,618.94
  6. Step 6: Final answer
    x = 123,146.16

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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.