Home / 245,868.14-368,649.48-103,640.24

Finding the Fourth Proportional to 245,868.14, 368,649.48 and 103,640.24

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Solution

The fourth proportional to 245,868.14, 368,649.48 and 103,640.24 is: 155,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,868.14 : 368,649.48 = 103,640.24 : x
  2. Step 2: Convert to fraction form
    245,868.14/368,649.48 = 103,640.24/x
  3. Step 3: Cross multiply
    245,868.14x = 368,649.48 × 103,640.24
  4. Step 4: Simplify right side
    245,868.14x = 38,206,920,583.08
  5. Step 5: Solve for x
    x = 38,206,920,583.08/245,868.14
  6. Step 6: Final answer
    x = 155,395.98

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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.