Home / 238,942.48-358,494.36-105,804.40

Finding the Fourth Proportional to 238,942.48, 358,494.36 and 105,804.40

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Solution

The fourth proportional to 238,942.48, 358,494.36 and 105,804.40 is: 158,742.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,942.48 : 358,494.36 = 105,804.40 : x
  2. Step 2: Convert to fraction form
    238,942.48/358,494.36 = 105,804.40/x
  3. Step 3: Cross multiply
    238,942.48x = 358,494.36 × 105,804.40
  4. Step 4: Simplify right side
    238,942.48x = 37,930,280,663.18
  5. Step 5: Solve for x
    x = 37,930,280,663.18/238,942.48
  6. Step 6: Final answer
    x = 158,742.31

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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.