Home / 147,292.29-203,269.23-83,636.01

Finding the Fourth Proportional to 147,292.29, 203,269.23 and 83,636.01

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Solution

The fourth proportional to 147,292.29, 203,269.23 and 83,636.01 is: 115,421.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,292.29 : 203,269.23 = 83,636.01 : x
  2. Step 2: Convert to fraction form
    147,292.29/203,269.23 = 83,636.01/x
  3. Step 3: Cross multiply
    147,292.29x = 203,269.23 × 83,636.01
  4. Step 4: Simplify right side
    147,292.29x = 17,000,627,352.97
  5. Step 5: Solve for x
    x = 17,000,627,352.97/147,292.29
  6. Step 6: Final answer
    x = 115,421.03

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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.