Home / 113,513.92-170,270.56-51,111.36

Finding the Fourth Proportional to 113,513.92, 170,270.56 and 51,111.36

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Solution

The fourth proportional to 113,513.92, 170,270.56 and 51,111.36 is: 76,666.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,513.92 : 170,270.56 = 51,111.36 : x
  2. Step 2: Convert to fraction form
    113,513.92/170,270.56 = 51,111.36/x
  3. Step 3: Cross multiply
    113,513.92x = 170,270.56 × 51,111.36
  4. Step 4: Simplify right side
    113,513.92x = 8,702,759,889.56
  5. Step 5: Solve for x
    x = 8,702,759,889.56/113,513.92
  6. Step 6: Final answer
    x = 76,666.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.