Home / 189,440.73-261,426.90-104,557.79

Finding the Fourth Proportional to 189,440.73, 261,426.90 and 104,557.79

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Solution

The fourth proportional to 189,440.73, 261,426.90 and 104,557.79 is: 144,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,440.73 : 261,426.90 = 104,557.79 : x
  2. Step 2: Convert to fraction form
    189,440.73/261,426.90 = 104,557.79/x
  3. Step 3: Cross multiply
    189,440.73x = 261,426.90 × 104,557.79
  4. Step 4: Simplify right side
    189,440.73x = 27,334,217,603.42
  5. Step 5: Solve for x
    x = 27,334,217,603.42/189,440.73
  6. Step 6: Final answer
    x = 144,289.02

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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.