Home / 282,361.06-389,840.61-175,045.78

Finding the Fourth Proportional to 282,361.06, 389,840.61 and 175,045.78

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Solution

The fourth proportional to 282,361.06, 389,840.61 and 175,045.78 is: 241,676.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,361.06 : 389,840.61 = 175,045.78 : x
  2. Step 2: Convert to fraction form
    282,361.06/389,840.61 = 175,045.78/x
  3. Step 3: Cross multiply
    282,361.06x = 389,840.61 × 175,045.78
  4. Step 4: Simplify right side
    282,361.06x = 68,239,953,653.13
  5. Step 5: Solve for x
    x = 68,239,953,653.13/282,361.06
  6. Step 6: Final answer
    x = 241,676.22

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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.