Home / 147,116.81-203,015.22-83,453.24

Finding the Fourth Proportional to 147,116.81, 203,015.22 and 83,453.24

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Solution

The fourth proportional to 147,116.81, 203,015.22 and 83,453.24 is: 115,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,116.81 : 203,015.22 = 83,453.24 : x
  2. Step 2: Convert to fraction form
    147,116.81/203,015.22 = 83,453.24/x
  3. Step 3: Cross multiply
    147,116.81x = 203,015.22 × 83,453.24
  4. Step 4: Simplify right side
    147,116.81x = 16,942,277,878.31
  5. Step 5: Solve for x
    x = 16,942,277,878.31/147,116.81
  6. Step 6: Final answer
    x = 115,162.08

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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.