Home / 147,475.63-203,533.65-83,823

Finding the Fourth Proportional to 147,475.63, 203,533.65 and 83,823

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Solution

The fourth proportional to 147,475.63, 203,533.65 and 83,823 is: 115,685.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,475.63 : 203,533.65 = 83,823 : x
  2. Step 2: Convert to fraction form
    147,475.63/203,533.65 = 83,823/x
  3. Step 3: Cross multiply
    147,475.63x = 203,533.65 × 83,823
  4. Step 4: Simplify right side
    147,475.63x = 17,060,801,143.95
  5. Step 5: Solve for x
    x = 17,060,801,143.95/147,475.63
  6. Step 6: Final answer
    x = 115,685.56

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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.