Home / 197,590.62-272,677.23-112,712.70

Finding the Fourth Proportional to 197,590.62, 272,677.23 and 112,712.70

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Solution

The fourth proportional to 197,590.62, 272,677.23 and 112,712.70 is: 155,544.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,590.62 : 272,677.23 = 112,712.70 : x
  2. Step 2: Convert to fraction form
    197,590.62/272,677.23 = 112,712.70/x
  3. Step 3: Cross multiply
    197,590.62x = 272,677.23 × 112,712.70
  4. Step 4: Simplify right side
    197,590.62x = 30,734,186,821.82
  5. Step 5: Solve for x
    x = 30,734,186,821.82/197,590.62
  6. Step 6: Final answer
    x = 155,544.77

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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.