Home / 228,537.08-315,363.66-127,921.40

Finding the Fourth Proportional to 228,537.08, 315,363.66 and 127,921.40

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Solution

The fourth proportional to 228,537.08, 315,363.66 and 127,921.40 is: 176,521.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,537.08 : 315,363.66 = 127,921.40 : x
  2. Step 2: Convert to fraction form
    228,537.08/315,363.66 = 127,921.40/x
  3. Step 3: Cross multiply
    228,537.08x = 315,363.66 × 127,921.40
  4. Step 4: Simplify right side
    228,537.08x = 40,341,760,896.32
  5. Step 5: Solve for x
    x = 40,341,760,896.32/228,537.08
  6. Step 6: Final answer
    x = 176,521.73

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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.