Home / 147,169.30-203,094.03-83,506.93

Finding the Fourth Proportional to 147,169.30, 203,094.03 and 83,506.93

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Solution

The fourth proportional to 147,169.30, 203,094.03 and 83,506.93 is: 115,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,169.30 : 203,094.03 = 83,506.93 : x
  2. Step 2: Convert to fraction form
    147,169.30/203,094.03 = 83,506.93/x
  3. Step 3: Cross multiply
    147,169.30x = 203,094.03 × 83,506.93
  4. Step 4: Simplify right side
    147,169.30x = 16,959,758,946.63
  5. Step 5: Solve for x
    x = 16,959,758,946.63/147,169.30
  6. Step 6: Final answer
    x = 115,239.79

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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.