Home / 126,749.63-174,918.14-70,164.65

Finding the Fourth Proportional to 126,749.63, 174,918.14 and 70,164.65

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Solution

The fourth proportional to 126,749.63, 174,918.14 and 70,164.65 is: 96,829.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,749.63 : 174,918.14 = 70,164.65 : x
  2. Step 2: Convert to fraction form
    126,749.63/174,918.14 = 70,164.65/x
  3. Step 3: Cross multiply
    126,749.63x = 174,918.14 × 70,164.65
  4. Step 4: Simplify right side
    126,749.63x = 12,273,068,846.34
  5. Step 5: Solve for x
    x = 12,273,068,846.34/126,749.63
  6. Step 6: Final answer
    x = 96,829.23

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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.