Home / 282,454.95-389,786.57-153,392.41

Finding the Fourth Proportional to 282,454.95, 389,786.57 and 153,392.41

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Solution

The fourth proportional to 282,454.95, 389,786.57 and 153,392.41 is: 211,680.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,454.95 : 389,786.57 = 153,392.41 : x
  2. Step 2: Convert to fraction form
    282,454.95/389,786.57 = 153,392.41/x
  3. Step 3: Cross multiply
    282,454.95x = 389,786.57 × 153,392.41
  4. Step 4: Simplify right side
    282,454.95x = 59,790,299,409.00
  5. Step 5: Solve for x
    x = 59,790,299,409.00/282,454.95
  6. Step 6: Final answer
    x = 211,680.84

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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.