Home / 161,574.54-222,999.51-123,261.72

Finding the Fourth Proportional to 161,574.54, 222,999.51 and 123,261.72

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Solution

The fourth proportional to 161,574.54, 222,999.51 and 123,261.72 is: 170,121.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,574.54 : 222,999.51 = 123,261.72 : x
  2. Step 2: Convert to fraction form
    161,574.54/222,999.51 = 123,261.72/x
  3. Step 3: Cross multiply
    161,574.54x = 222,999.51 × 123,261.72
  4. Step 4: Simplify right side
    161,574.54x = 27,487,303,161.76
  5. Step 5: Solve for x
    x = 27,487,303,161.76/161,574.54
  6. Step 6: Final answer
    x = 170,121.50

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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.