Home / 259,916.48-358,685.28-140,684.48

Finding the Fourth Proportional to 259,916.48, 358,685.28 and 140,684.48

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Solution

The fourth proportional to 259,916.48, 358,685.28 and 140,684.48 is: 194,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,916.48 : 358,685.28 = 140,684.48 : x
  2. Step 2: Convert to fraction form
    259,916.48/358,685.28 = 140,684.48/x
  3. Step 3: Cross multiply
    259,916.48x = 358,685.28 × 140,684.48
  4. Step 4: Simplify right side
    259,916.48x = 50,461,452,100.45
  5. Step 5: Solve for x
    x = 50,461,452,100.45/259,916.48
  6. Step 6: Final answer
    x = 194,144.87

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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.