Home / 100,389.30-150,528.94-46,295.26

Finding the Fourth Proportional to 100,389.30, 150,528.94 and 46,295.26

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Solution

The fourth proportional to 100,389.30, 150,528.94 and 46,295.26 is: 69,417.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,389.30 : 150,528.94 = 46,295.26 : x
  2. Step 2: Convert to fraction form
    100,389.30/150,528.94 = 46,295.26/x
  3. Step 3: Cross multiply
    100,389.30x = 150,528.94 × 46,295.26
  4. Step 4: Simplify right side
    100,389.30x = 6,968,776,414.82
  5. Step 5: Solve for x
    x = 6,968,776,414.82/100,389.30
  6. Step 6: Final answer
    x = 69,417.52

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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.