Home / 161,025.95-222,211.59-89,404.13

Finding the Fourth Proportional to 161,025.95, 222,211.59 and 89,404.13

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Solution

The fourth proportional to 161,025.95, 222,211.59 and 89,404.13 is: 123,375.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,025.95 : 222,211.59 = 89,404.13 : x
  2. Step 2: Convert to fraction form
    161,025.95/222,211.59 = 89,404.13/x
  3. Step 3: Cross multiply
    161,025.95x = 222,211.59 × 89,404.13
  4. Step 4: Simplify right side
    161,025.95x = 19,866,634,100.13
  5. Step 5: Solve for x
    x = 19,866,634,100.13/161,025.95
  6. Step 6: Final answer
    x = 123,375.36

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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.