Home / 175,114.80-262,686.78-69,876.36

Finding the Fourth Proportional to 175,114.80, 262,686.78 and 69,876.36

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Solution

The fourth proportional to 175,114.80, 262,686.78 and 69,876.36 is: 104,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,114.80 : 262,686.78 = 69,876.36 : x
  2. Step 2: Convert to fraction form
    175,114.80/262,686.78 = 69,876.36/x
  3. Step 3: Cross multiply
    175,114.80x = 262,686.78 × 69,876.36
  4. Step 4: Simplify right side
    175,114.80x = 18,355,596,006.52
  5. Step 5: Solve for x
    x = 18,355,596,006.52/175,114.80
  6. Step 6: Final answer
    x = 104,820.36

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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.