Home / 161,192.02-222,440.55-89,570.20

Finding the Fourth Proportional to 161,192.02, 222,440.55 and 89,570.20

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Solution

The fourth proportional to 161,192.02, 222,440.55 and 89,570.20 is: 123,604.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,192.02 : 222,440.55 = 89,570.20 : x
  2. Step 2: Convert to fraction form
    161,192.02/222,440.55 = 89,570.20/x
  3. Step 3: Cross multiply
    161,192.02x = 222,440.55 × 89,570.20
  4. Step 4: Simplify right side
    161,192.02x = 19,924,044,551.61
  5. Step 5: Solve for x
    x = 19,924,044,551.61/161,192.02
  6. Step 6: Final answer
    x = 123,604.41

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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.