Home / 228,427.08-315,231.86-126,454.25

Finding the Fourth Proportional to 228,427.08, 315,231.86 and 126,454.25

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Solution

The fourth proportional to 228,427.08, 315,231.86 and 126,454.25 is: 174,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,427.08 : 315,231.86 = 126,454.25 : x
  2. Step 2: Convert to fraction form
    228,427.08/315,231.86 = 126,454.25/x
  3. Step 3: Cross multiply
    228,427.08x = 315,231.86 × 126,454.25
  4. Step 4: Simplify right side
    228,427.08x = 39,862,407,172.38
  5. Step 5: Solve for x
    x = 39,862,407,172.38/228,427.08
  6. Step 6: Final answer
    x = 174,508.24

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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.