Home / 147,431.02-203,248.67-124,678.52

Finding the Fourth Proportional to 147,431.02, 203,248.67 and 124,678.52

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Solution

The fourth proportional to 147,431.02, 203,248.67 and 124,678.52 is: 171,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,431.02 : 203,248.67 = 124,678.52 : x
  2. Step 2: Convert to fraction form
    147,431.02/203,248.67 = 124,678.52/x
  3. Step 3: Cross multiply
    147,431.02x = 203,248.67 × 124,678.52
  4. Step 4: Simplify right side
    147,431.02x = 25,340,743,367.57
  5. Step 5: Solve for x
    x = 25,340,743,367.57/147,431.02
  6. Step 6: Final answer
    x = 171,882.03

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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.