Home / 282,240.83-389,495.25-153,180.41

Finding the Fourth Proportional to 282,240.83, 389,495.25 and 153,180.41

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Solution

The fourth proportional to 282,240.83, 389,495.25 and 153,180.41 is: 211,390.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,240.83 : 389,495.25 = 153,180.41 : x
  2. Step 2: Convert to fraction form
    282,240.83/389,495.25 = 153,180.41/x
  3. Step 3: Cross multiply
    282,240.83x = 389,495.25 × 153,180.41
  4. Step 4: Simplify right side
    282,240.83x = 59,663,041,601.18
  5. Step 5: Solve for x
    x = 59,663,041,601.18/282,240.83
  6. Step 6: Final answer
    x = 211,390.54

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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.