Home / 161,101.36-222,319.56-89,492.08

Finding the Fourth Proportional to 161,101.36, 222,319.56 and 89,492.08

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Solution

The fourth proportional to 161,101.36, 222,319.56 and 89,492.08 is: 123,498.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,101.36 : 222,319.56 = 89,492.08 : x
  2. Step 2: Convert to fraction form
    161,101.36/222,319.56 = 89,492.08/x
  3. Step 3: Cross multiply
    161,101.36x = 222,319.56 × 89,492.08
  4. Step 4: Simplify right side
    161,101.36x = 19,895,839,849.08
  5. Step 5: Solve for x
    x = 19,895,839,849.08/161,101.36
  6. Step 6: Final answer
    x = 123,498.89

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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.