Home / 228,475.07-315,305.45-126,500.53

Finding the Fourth Proportional to 228,475.07, 315,305.45 and 126,500.53

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Solution

The fourth proportional to 228,475.07, 315,305.45 and 126,500.53 is: 174,576.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,475.07 : 315,305.45 = 126,500.53 : x
  2. Step 2: Convert to fraction form
    228,475.07/315,305.45 = 126,500.53/x
  3. Step 3: Cross multiply
    228,475.07x = 315,305.45 × 126,500.53
  4. Step 4: Simplify right side
    228,475.07x = 39,886,306,536.89
  5. Step 5: Solve for x
    x = 39,886,306,536.89/228,475.07
  6. Step 6: Final answer
    x = 174,576.19

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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.