Home / 189,463.66-261,460.07-104,580.72

Finding the Fourth Proportional to 189,463.66, 261,460.07 and 104,580.72

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Solution

The fourth proportional to 189,463.66, 261,460.07 and 104,580.72 is: 144,321.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,463.66 : 261,460.07 = 104,580.72 : x
  2. Step 2: Convert to fraction form
    189,463.66/261,460.07 = 104,580.72/x
  3. Step 3: Cross multiply
    189,463.66x = 261,460.07 × 104,580.72
  4. Step 4: Simplify right side
    189,463.66x = 27,343,682,241.12
  5. Step 5: Solve for x
    x = 27,343,682,241.12/189,463.66
  6. Step 6: Final answer
    x = 144,321.52

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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.