Home / 147,604.06-203,686.41-83,940.49

Finding the Fourth Proportional to 147,604.06, 203,686.41 and 83,940.49

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Solution

The fourth proportional to 147,604.06, 203,686.41 and 83,940.49 is: 115,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,604.06 : 203,686.41 = 83,940.49 : x
  2. Step 2: Convert to fraction form
    147,604.06/203,686.41 = 83,940.49/x
  3. Step 3: Cross multiply
    147,604.06x = 203,686.41 × 83,940.49
  4. Step 4: Simplify right side
    147,604.06x = 17,097,537,061.74
  5. Step 5: Solve for x
    x = 17,097,537,061.74/147,604.06
  6. Step 6: Final answer
    x = 115,833.79

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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.