Home / 197,742.84-272,666.46-126,009.24

Finding the Fourth Proportional to 197,742.84, 272,666.46 and 126,009.24

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Solution

The fourth proportional to 197,742.84, 272,666.46 and 126,009.24 is: 173,753.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,742.84 : 272,666.46 = 126,009.24 : x
  2. Step 2: Convert to fraction form
    197,742.84/272,666.46 = 126,009.24/x
  3. Step 3: Cross multiply
    197,742.84x = 272,666.46 × 126,009.24
  4. Step 4: Simplify right side
    197,742.84x = 34,358,493,398.09
  5. Step 5: Solve for x
    x = 34,358,493,398.09/197,742.84
  6. Step 6: Final answer
    x = 173,753.41

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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.