Home / 113,999.22-170,940.78-38,070.45

Finding the Fourth Proportional to 113,999.22, 170,940.78 and 38,070.45

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Solution

The fourth proportional to 113,999.22, 170,940.78 and 38,070.45 is: 57,086.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,999.22 : 170,940.78 = 38,070.45 : x
  2. Step 2: Convert to fraction form
    113,999.22/170,940.78 = 38,070.45/x
  3. Step 3: Cross multiply
    113,999.22x = 170,940.78 × 38,070.45
  4. Step 4: Simplify right side
    113,999.22x = 6,507,792,417.95
  5. Step 5: Solve for x
    x = 6,507,792,417.95/113,999.22
  6. Step 6: Final answer
    x = 57,086.29

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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.