Home / 176,015.20-242,743.44-138,223.84

Finding the Fourth Proportional to 176,015.20, 242,743.44 and 138,223.84

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Solution

The fourth proportional to 176,015.20, 242,743.44 and 138,223.84 is: 190,625.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,015.20 : 242,743.44 = 138,223.84 : x
  2. Step 2: Convert to fraction form
    176,015.20/242,743.44 = 138,223.84/x
  3. Step 3: Cross multiply
    176,015.20x = 242,743.44 × 138,223.84
  4. Step 4: Simplify right side
    176,015.20x = 33,552,930,411.61
  5. Step 5: Solve for x
    x = 33,552,930,411.61/176,015.20
  6. Step 6: Final answer
    x = 190,625.19

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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.