Home / 161,014.06-222,159.36-89,376.16

Finding the Fourth Proportional to 161,014.06, 222,159.36 and 89,376.16

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Solution

The fourth proportional to 161,014.06, 222,159.36 and 89,376.16 is: 123,316.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,014.06 : 222,159.36 = 89,376.16 : x
  2. Step 2: Convert to fraction form
    161,014.06/222,159.36 = 89,376.16/x
  3. Step 3: Cross multiply
    161,014.06x = 222,159.36 × 89,376.16
  4. Step 4: Simplify right side
    161,014.06x = 19,855,750,504.86
  5. Step 5: Solve for x
    x = 19,855,750,504.86/161,014.06
  6. Step 6: Final answer
    x = 123,316.87

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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.