Home / 189,549.01-284,400.86-122,116.29

Finding the Fourth Proportional to 189,549.01, 284,400.86 and 122,116.29

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Solution

The fourth proportional to 189,549.01, 284,400.86 and 122,116.29 is: 183,224.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,549.01 : 284,400.86 = 122,116.29 : x
  2. Step 2: Convert to fraction form
    189,549.01/284,400.86 = 122,116.29/x
  3. Step 3: Cross multiply
    189,549.01x = 284,400.86 × 122,116.29
  4. Step 4: Simplify right side
    189,549.01x = 34,729,976,218.92
  5. Step 5: Solve for x
    x = 34,729,976,218.92/189,549.01
  6. Step 6: Final answer
    x = 183,224.25

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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.