Home / 545,116.14-817,609.82-145,787.86

Finding the Fourth Proportional to 545,116.14, 817,609.82 and 145,787.86

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Solution

The fourth proportional to 545,116.14, 817,609.82 and 145,787.86 is: 218,664.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,116.14 : 817,609.82 = 145,787.86 : x
  2. Step 2: Convert to fraction form
    545,116.14/817,609.82 = 145,787.86/x
  3. Step 3: Cross multiply
    545,116.14x = 817,609.82 × 145,787.86
  4. Step 4: Simplify right side
    545,116.14x = 119,197,586,265.86
  5. Step 5: Solve for x
    x = 119,197,586,265.86/545,116.14
  6. Step 6: Final answer
    x = 218,664.57

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1.5x scale

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.