Home / 228,682.45-315,577.58-126,707.54

Finding the Fourth Proportional to 228,682.45, 315,577.58 and 126,707.54

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Solution

The fourth proportional to 228,682.45, 315,577.58 and 126,707.54 is: 174,854.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,682.45 : 315,577.58 = 126,707.54 : x
  2. Step 2: Convert to fraction form
    228,682.45/315,577.58 = 126,707.54/x
  3. Step 3: Cross multiply
    228,682.45x = 315,577.58 × 126,707.54
  4. Step 4: Simplify right side
    228,682.45x = 39,986,056,629.53
  5. Step 5: Solve for x
    x = 39,986,056,629.53/228,682.45
  6. Step 6: Final answer
    x = 174,854.07

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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.