Home / 535,619.26-803,433.60-136,260.45

Finding the Fourth Proportional to 535,619.26, 803,433.60 and 136,260.45

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Solution

The fourth proportional to 535,619.26, 803,433.60 and 136,260.45 is: 204,391.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,619.26 : 803,433.60 = 136,260.45 : x
  2. Step 2: Convert to fraction form
    535,619.26/803,433.60 = 136,260.45/x
  3. Step 3: Cross multiply
    535,619.26x = 803,433.60 × 136,260.45
  4. Step 4: Simplify right side
    535,619.26x = 109,476,223,881.12
  5. Step 5: Solve for x
    x = 109,476,223,881.12/535,619.26
  6. Step 6: Final answer
    x = 204,391.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.