Home / 161,061.96-222,272.94-89,442.30

Finding the Fourth Proportional to 161,061.96, 222,272.94 and 89,442.30

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Solution

The fourth proportional to 161,061.96, 222,272.94 and 89,442.30 is: 123,434.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.96 : 222,272.94 = 89,442.30 : x
  2. Step 2: Convert to fraction form
    161,061.96/222,272.94 = 89,442.30/x
  3. Step 3: Cross multiply
    161,061.96x = 222,272.94 × 89,442.30
  4. Step 4: Simplify right side
    161,061.96x = 19,880,602,981.36
  5. Step 5: Solve for x
    x = 19,880,602,981.36/161,061.96
  6. Step 6: Final answer
    x = 123,434.50

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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.