Home / 161,196.17-222,440.50-89,571.92

Finding the Fourth Proportional to 161,196.17, 222,440.50 and 89,571.92

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Solution

The fourth proportional to 161,196.17, 222,440.50 and 89,571.92 is: 123,603.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,196.17 : 222,440.50 = 89,571.92 : x
  2. Step 2: Convert to fraction form
    161,196.17/222,440.50 = 89,571.92/x
  3. Step 3: Cross multiply
    161,196.17x = 222,440.50 × 89,571.92
  4. Step 4: Simplify right side
    161,196.17x = 19,924,421,334.63
  5. Step 5: Solve for x
    x = 19,924,421,334.63/161,196.17
  6. Step 6: Final answer
    x = 123,603.57

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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.