Home / 200,750.16-277,155.36-125,400.72

Finding the Fourth Proportional to 200,750.16, 277,155.36 and 125,400.72

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Solution

The fourth proportional to 200,750.16, 277,155.36 and 125,400.72 is: 173,128.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,750.16 : 277,155.36 = 125,400.72 : x
  2. Step 2: Convert to fraction form
    200,750.16/277,155.36 = 125,400.72/x
  3. Step 3: Cross multiply
    200,750.16x = 277,155.36 × 125,400.72
  4. Step 4: Simplify right side
    200,750.16x = 34,755,481,695.86
  5. Step 5: Solve for x
    x = 34,755,481,695.86/200,750.16
  6. Step 6: Final answer
    x = 173,128.04

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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.