Home / 161,073.51-222,275.34-89,458.12

Finding the Fourth Proportional to 161,073.51, 222,275.34 and 89,458.12

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Solution

The fourth proportional to 161,073.51, 222,275.34 and 89,458.12 is: 123,448.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,073.51 : 222,275.34 = 89,458.12 : x
  2. Step 2: Convert to fraction form
    161,073.51/222,275.34 = 89,458.12/x
  3. Step 3: Cross multiply
    161,073.51x = 222,275.34 × 89,458.12
  4. Step 4: Simplify right side
    161,073.51x = 19,884,334,316.61
  5. Step 5: Solve for x
    x = 19,884,334,316.61/161,073.51
  6. Step 6: Final answer
    x = 123,448.82

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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.