Home / 161,532.08-222,910.56-89,907.68

Finding the Fourth Proportional to 161,532.08, 222,910.56 and 89,907.68

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Solution

The fourth proportional to 161,532.08, 222,910.56 and 89,907.68 is: 124,070.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.08 : 222,910.56 = 89,907.68 : x
  2. Step 2: Convert to fraction form
    161,532.08/222,910.56 = 89,907.68/x
  3. Step 3: Cross multiply
    161,532.08x = 222,910.56 × 89,907.68
  4. Step 4: Simplify right side
    161,532.08x = 20,041,371,297.10
  5. Step 5: Solve for x
    x = 20,041,371,297.10/161,532.08
  6. Step 6: Final answer
    x = 124,070.53

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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.