Home / 175,411.78-263,095.80-103,406.02

Finding the Fourth Proportional to 175,411.78, 263,095.80 and 103,406.02

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Solution

The fourth proportional to 175,411.78, 263,095.80 and 103,406.02 is: 155,096.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,411.78 : 263,095.80 = 103,406.02 : x
  2. Step 2: Convert to fraction form
    175,411.78/263,095.80 = 103,406.02/x
  3. Step 3: Cross multiply
    175,411.78x = 263,095.80 × 103,406.02
  4. Step 4: Simplify right side
    175,411.78x = 27,205,689,556.72
  5. Step 5: Solve for x
    x = 27,205,689,556.72/175,411.78
  6. Step 6: Final answer
    x = 155,096.14

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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.