Home / 147,219.07-220,663.06-74,969.24

Finding the Fourth Proportional to 147,219.07, 220,663.06 and 74,969.24

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Solution

The fourth proportional to 147,219.07, 220,663.06 and 74,969.24 is: 112,369.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,219.07 : 220,663.06 = 74,969.24 : x
  2. Step 2: Convert to fraction form
    147,219.07/220,663.06 = 74,969.24/x
  3. Step 3: Cross multiply
    147,219.07x = 220,663.06 × 74,969.24
  4. Step 4: Simplify right side
    147,219.07x = 16,542,942,268.51
  5. Step 5: Solve for x
    x = 16,542,942,268.51/147,219.07
  6. Step 6: Final answer
    x = 112,369.56

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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.