Home / 161,526.69-222,914.16-89,911.28

Finding the Fourth Proportional to 161,526.69, 222,914.16 and 89,911.28

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Solution

The fourth proportional to 161,526.69, 222,914.16 and 89,911.28 is: 124,081.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,526.69 : 222,914.16 = 89,911.28 : x
  2. Step 2: Convert to fraction form
    161,526.69/222,914.16 = 89,911.28/x
  3. Step 3: Cross multiply
    161,526.69x = 222,914.16 × 89,911.28
  4. Step 4: Simplify right side
    161,526.69x = 20,042,498,013.01
  5. Step 5: Solve for x
    x = 20,042,498,013.01/161,526.69
  6. Step 6: Final answer
    x = 124,081.65

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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.