Home / 189,548.89-284,400.67-122,116.16

Finding the Fourth Proportional to 189,548.89, 284,400.67 and 122,116.16

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Solution

The fourth proportional to 189,548.89, 284,400.67 and 122,116.16 is: 183,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,548.89 : 284,400.67 = 122,116.16 : x
  2. Step 2: Convert to fraction form
    189,548.89/284,400.67 = 122,116.16/x
  3. Step 3: Cross multiply
    189,548.89x = 284,400.67 × 122,116.16
  4. Step 4: Simplify right side
    189,548.89x = 34,729,917,721.83
  5. Step 5: Solve for x
    x = 34,729,917,721.83/189,548.89
  6. Step 6: Final answer
    x = 183,224.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.