Home / 147,531.24-203,566.68-83,865.24

Finding the Fourth Proportional to 147,531.24, 203,566.68 and 83,865.24

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Solution

The fourth proportional to 147,531.24, 203,566.68 and 83,865.24 is: 115,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,531.24 : 203,566.68 = 83,865.24 : x
  2. Step 2: Convert to fraction form
    147,531.24/203,566.68 = 83,865.24/x
  3. Step 3: Cross multiply
    147,531.24x = 203,566.68 × 83,865.24
  4. Step 4: Simplify right side
    147,531.24x = 17,072,168,474.20
  5. Step 5: Solve for x
    x = 17,072,168,474.20/147,531.24
  6. Step 6: Final answer
    x = 115,719.01

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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.