Home / 255,204.15-352,178.27-142,026.90

Finding the Fourth Proportional to 255,204.15, 352,178.27 and 142,026.90

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Solution

The fourth proportional to 255,204.15, 352,178.27 and 142,026.90 is: 195,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,204.15 : 352,178.27 = 142,026.90 : x
  2. Step 2: Convert to fraction form
    255,204.15/352,178.27 = 142,026.90/x
  3. Step 3: Cross multiply
    255,204.15x = 352,178.27 × 142,026.90
  4. Step 4: Simplify right side
    255,204.15x = 50,018,787,225.33
  5. Step 5: Solve for x
    x = 50,018,787,225.33/255,204.15
  6. Step 6: Final answer
    x = 195,995.20

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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.