Home / 176,910.39-244,133.93-100,428.83

Finding the Fourth Proportional to 176,910.39, 244,133.93 and 100,428.83

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Solution

The fourth proportional to 176,910.39, 244,133.93 and 100,428.83 is: 138,590.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,910.39 : 244,133.93 = 100,428.83 : x
  2. Step 2: Convert to fraction form
    176,910.39/244,133.93 = 100,428.83/x
  3. Step 3: Cross multiply
    176,910.39x = 244,133.93 × 100,428.83
  4. Step 4: Simplify right side
    176,910.39x = 24,518,083,230.39
  5. Step 5: Solve for x
    x = 24,518,083,230.39/176,910.39
  6. Step 6: Final answer
    x = 138,590.41

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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.