Home / 161,018.10-222,194.67-89,398.11

Finding the Fourth Proportional to 161,018.10, 222,194.67 and 89,398.11

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Solution

The fourth proportional to 161,018.10, 222,194.67 and 89,398.11 is: 123,363.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,018.10 : 222,194.67 = 89,398.11 : x
  2. Step 2: Convert to fraction form
    161,018.10/222,194.67 = 89,398.11/x
  3. Step 3: Cross multiply
    161,018.10x = 222,194.67 × 89,398.11
  4. Step 4: Simplify right side
    161,018.10x = 19,863,783,550.07
  5. Step 5: Solve for x
    x = 19,863,783,550.07/161,018.10
  6. Step 6: Final answer
    x = 123,363.67

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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.