Home / 147,055.06-202,935.96-83,392.86

Finding the Fourth Proportional to 147,055.06, 202,935.96 and 83,392.86

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Solution

The fourth proportional to 147,055.06, 202,935.96 and 83,392.86 is: 115,082.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,055.06 : 202,935.96 = 83,392.86 : x
  2. Step 2: Convert to fraction form
    147,055.06/202,935.96 = 83,392.86/x
  3. Step 3: Cross multiply
    147,055.06x = 202,935.96 × 83,392.86
  4. Step 4: Simplify right side
    147,055.06x = 16,923,410,101.25
  5. Step 5: Solve for x
    x = 16,923,410,101.25/147,055.06
  6. Step 6: Final answer
    x = 115,082.13

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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.