Home / 161,553.69-222,935.49-89,931.87

Finding the Fourth Proportional to 161,553.69, 222,935.49 and 89,931.87

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Solution

The fourth proportional to 161,553.69, 222,935.49 and 89,931.87 is: 124,101.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,553.69 : 222,935.49 = 89,931.87 : x
  2. Step 2: Convert to fraction form
    161,553.69/222,935.49 = 89,931.87/x
  3. Step 3: Cross multiply
    161,553.69x = 222,935.49 × 89,931.87
  4. Step 4: Simplify right side
    161,553.69x = 20,049,005,505.07
  5. Step 5: Solve for x
    x = 20,049,005,505.07/161,553.69
  6. Step 6: Final answer
    x = 124,101.19

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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.