Home / 126,467.15-174,509.73-75,470.45

Finding the Fourth Proportional to 126,467.15, 174,509.73 and 75,470.45

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Solution

The fourth proportional to 126,467.15, 174,509.73 and 75,470.45 is: 104,140.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,467.15 : 174,509.73 = 75,470.45 : x
  2. Step 2: Convert to fraction form
    126,467.15/174,509.73 = 75,470.45/x
  3. Step 3: Cross multiply
    126,467.15x = 174,509.73 × 75,470.45
  4. Step 4: Simplify right side
    126,467.15x = 13,170,326,979.93
  5. Step 5: Solve for x
    x = 13,170,326,979.93/126,467.15
  6. Step 6: Final answer
    x = 104,140.30

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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.