Home / 197,740.74-272,906.19-111,703.35

Finding the Fourth Proportional to 197,740.74, 272,906.19 and 111,703.35

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Solution

The fourth proportional to 197,740.74, 272,906.19 and 111,703.35 is: 154,164.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,740.74 : 272,906.19 = 111,703.35 : x
  2. Step 2: Convert to fraction form
    197,740.74/272,906.19 = 111,703.35/x
  3. Step 3: Cross multiply
    197,740.74x = 272,906.19 × 111,703.35
  4. Step 4: Simplify right side
    197,740.74x = 30,484,534,294.21
  5. Step 5: Solve for x
    x = 30,484,534,294.21/197,740.74
  6. Step 6: Final answer
    x = 154,164.16

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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.