Home / 126,731.52-174,908.64-73,024.48

Finding the Fourth Proportional to 126,731.52, 174,908.64 and 73,024.48

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Solution

The fourth proportional to 126,731.52, 174,908.64 and 73,024.48 is: 100,784.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.52 : 174,908.64 = 73,024.48 : x
  2. Step 2: Convert to fraction form
    126,731.52/174,908.64 = 73,024.48/x
  3. Step 3: Cross multiply
    126,731.52x = 174,908.64 × 73,024.48
  4. Step 4: Simplify right side
    126,731.52x = 12,772,612,483.51
  5. Step 5: Solve for x
    x = 12,772,612,483.51/126,731.52
  6. Step 6: Final answer
    x = 100,784.81

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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.