Home / 124,037.70-186,056.55-71,403.90

Finding the Fourth Proportional to 124,037.70, 186,056.55 and 71,403.90

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Solution

The fourth proportional to 124,037.70, 186,056.55 and 71,403.90 is: 107,105.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,037.70 : 186,056.55 = 71,403.90 : x
  2. Step 2: Convert to fraction form
    124,037.70/186,056.55 = 71,403.90/x
  3. Step 3: Cross multiply
    124,037.70x = 186,056.55 × 71,403.90
  4. Step 4: Simplify right side
    124,037.70x = 13,285,163,290.55
  5. Step 5: Solve for x
    x = 13,285,163,290.55/124,037.70
  6. Step 6: Final answer
    x = 107,105.85

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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.