Home / 161,529.99-222,911.39-89,908.47

Finding the Fourth Proportional to 161,529.99, 222,911.39 and 89,908.47

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Solution

The fourth proportional to 161,529.99, 222,911.39 and 89,908.47 is: 124,073.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,529.99 : 222,911.39 = 89,908.47 : x
  2. Step 2: Convert to fraction form
    161,529.99/222,911.39 = 89,908.47/x
  3. Step 3: Cross multiply
    161,529.99x = 222,911.39 × 89,908.47
  4. Step 4: Simplify right side
    161,529.99x = 20,041,623,081.16
  5. Step 5: Solve for x
    x = 20,041,623,081.16/161,529.99
  6. Step 6: Final answer
    x = 124,073.70

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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.