Home / 161,317.17-222,597.54-89,688.06

Finding the Fourth Proportional to 161,317.17, 222,597.54 and 89,688.06

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Solution

The fourth proportional to 161,317.17, 222,597.54 and 89,688.06 is: 123,758.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,317.17 : 222,597.54 = 89,688.06 : x
  2. Step 2: Convert to fraction form
    161,317.17/222,597.54 = 89,688.06/x
  3. Step 3: Cross multiply
    161,317.17x = 222,597.54 × 89,688.06
  4. Step 4: Simplify right side
    161,317.17x = 19,964,341,523.37
  5. Step 5: Solve for x
    x = 19,964,341,523.37/161,317.17
  6. Step 6: Final answer
    x = 123,758.32

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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.