Home / 126,481.07-174,554.93-69,903.38

Finding the Fourth Proportional to 126,481.07, 174,554.93 and 69,903.38

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Solution

The fourth proportional to 126,481.07, 174,554.93 and 69,903.38 is: 96,472.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,481.07 : 174,554.93 = 69,903.38 : x
  2. Step 2: Convert to fraction form
    126,481.07/174,554.93 = 69,903.38/x
  3. Step 3: Cross multiply
    126,481.07x = 174,554.93 × 69,903.38
  4. Step 4: Simplify right side
    126,481.07x = 12,201,979,602.66
  5. Step 5: Solve for x
    x = 12,201,979,602.66/126,481.07
  6. Step 6: Final answer
    x = 96,472.77

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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.