Home / 189,790.02-261,900-104,902.02

Finding the Fourth Proportional to 189,790.02, 261,900 and 104,902.02

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Solution

The fourth proportional to 189,790.02, 261,900 and 104,902.02 is: 144,759.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,790.02 : 261,900 = 104,902.02 : x
  2. Step 2: Convert to fraction form
    189,790.02/261,900 = 104,902.02/x
  3. Step 3: Cross multiply
    189,790.02x = 261,900 × 104,902.02
  4. Step 4: Simplify right side
    189,790.02x = 27,473,839,038
  5. Step 5: Solve for x
    x = 27,473,839,038/189,790.02
  6. Step 6: Final answer
    x = 144,759.13

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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.