Home / 161,443.04-222,802.04-89,823.22

Finding the Fourth Proportional to 161,443.04, 222,802.04 and 89,823.22

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Solution

The fourth proportional to 161,443.04, 222,802.04 and 89,823.22 is: 123,961.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,443.04 : 222,802.04 = 89,823.22 : x
  2. Step 2: Convert to fraction form
    161,443.04/222,802.04 = 89,823.22/x
  3. Step 3: Cross multiply
    161,443.04x = 222,802.04 × 89,823.22
  4. Step 4: Simplify right side
    161,443.04x = 20,012,796,322.92
  5. Step 5: Solve for x
    x = 20,012,796,322.92/161,443.04
  6. Step 6: Final answer
    x = 123,961.97

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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.