Home / 176,003.28-242,897.40-100,550.16

Finding the Fourth Proportional to 176,003.28, 242,897.40 and 100,550.16

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Solution

The fourth proportional to 176,003.28, 242,897.40 and 100,550.16 is: 138,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,003.28 : 242,897.40 = 100,550.16 : x
  2. Step 2: Convert to fraction form
    176,003.28/242,897.40 = 100,550.16/x
  3. Step 3: Cross multiply
    176,003.28x = 242,897.40 × 100,550.16
  4. Step 4: Simplify right side
    176,003.28x = 24,423,372,433.58
  5. Step 5: Solve for x
    x = 24,423,372,433.58/176,003.28
  6. Step 6: Final answer
    x = 138,766.58

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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.