Home / 124,725.18-187,161.58-45,894.76

Finding the Fourth Proportional to 124,725.18, 187,161.58 and 45,894.76

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Solution

The fourth proportional to 124,725.18, 187,161.58 and 45,894.76 is: 68,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,725.18 : 187,161.58 = 45,894.76 : x
  2. Step 2: Convert to fraction form
    124,725.18/187,161.58 = 45,894.76/x
  3. Step 3: Cross multiply
    124,725.18x = 187,161.58 × 45,894.76
  4. Step 4: Simplify right side
    124,725.18x = 8,589,735,795.32
  5. Step 5: Solve for x
    x = 8,589,735,795.32/124,725.18
  6. Step 6: Final answer
    x = 68,869.30

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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.