Home / 126,473.15-174,518.01-75,476.45

Finding the Fourth Proportional to 126,473.15, 174,518.01 and 75,476.45

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Solution

The fourth proportional to 126,473.15, 174,518.01 and 75,476.45 is: 104,148.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,473.15 : 174,518.01 = 75,476.45 : x
  2. Step 2: Convert to fraction form
    126,473.15/174,518.01 = 75,476.45/x
  3. Step 3: Cross multiply
    126,473.15x = 174,518.01 × 75,476.45
  4. Step 4: Simplify right side
    126,473.15x = 13,171,998,983.27
  5. Step 5: Solve for x
    x = 13,171,998,983.27/126,473.15
  6. Step 6: Final answer
    x = 104,148.58

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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.