Home / 161,048.66-222,261.17-89,442.63

Finding the Fourth Proportional to 161,048.66, 222,261.17 and 89,442.63

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Solution

The fourth proportional to 161,048.66, 222,261.17 and 89,442.63 is: 123,438.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,048.66 : 222,261.17 = 89,442.63 : x
  2. Step 2: Convert to fraction form
    161,048.66/222,261.17 = 89,442.63/x
  3. Step 3: Cross multiply
    161,048.66x = 222,261.17 × 89,442.63
  4. Step 4: Simplify right side
    161,048.66x = 19,879,623,144.46
  5. Step 5: Solve for x
    x = 19,879,623,144.46/161,048.66
  6. Step 6: Final answer
    x = 123,438.62

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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.