Home / 282,254.49-389,497.91-153,190.05

Finding the Fourth Proportional to 282,254.49, 389,497.91 and 153,190.05

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Solution

The fourth proportional to 282,254.49, 389,497.91 and 153,190.05 is: 211,395.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,254.49 : 389,497.91 = 153,190.05 : x
  2. Step 2: Convert to fraction form
    282,254.49/389,497.91 = 153,190.05/x
  3. Step 3: Cross multiply
    282,254.49x = 389,497.91 × 153,190.05
  4. Step 4: Simplify right side
    282,254.49x = 59,667,203,541.85
  5. Step 5: Solve for x
    x = 59,667,203,541.85/282,254.49
  6. Step 6: Final answer
    x = 211,395.06

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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.