Home / 228,610.02-315,474.69-126,631.38

Finding the Fourth Proportional to 228,610.02, 315,474.69 and 126,631.38

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Solution

The fourth proportional to 228,610.02, 315,474.69 and 126,631.38 is: 174,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,610.02 : 315,474.69 = 126,631.38 : x
  2. Step 2: Convert to fraction form
    228,610.02/315,474.69 = 126,631.38/x
  3. Step 3: Cross multiply
    228,610.02x = 315,474.69 × 126,631.38
  4. Step 4: Simplify right side
    228,610.02x = 39,948,995,349.77
  5. Step 5: Solve for x
    x = 39,948,995,349.77/228,610.02
  6. Step 6: Final answer
    x = 174,747.35

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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.