Home / 189,316.48-261,236.51-104,433.52

Finding the Fourth Proportional to 189,316.48, 261,236.51 and 104,433.52

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Solution

The fourth proportional to 189,316.48, 261,236.51 and 104,433.52 is: 144,107.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,316.48 : 261,236.51 = 104,433.52 : x
  2. Step 2: Convert to fraction form
    189,316.48/261,236.51 = 104,433.52/x
  3. Step 3: Cross multiply
    189,316.48x = 261,236.51 × 104,433.52
  4. Step 4: Simplify right side
    189,316.48x = 27,281,847,246.72
  5. Step 5: Solve for x
    x = 27,281,847,246.72/189,316.48
  6. Step 6: Final answer
    x = 144,107.09

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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.