Home / 163,869.33-245,804.07-45,541.69

Finding the Fourth Proportional to 163,869.33, 245,804.07 and 45,541.69

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Solution

The fourth proportional to 163,869.33, 245,804.07 and 45,541.69 is: 68,312.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,869.33 : 245,804.07 = 45,541.69 : x
  2. Step 2: Convert to fraction form
    163,869.33/245,804.07 = 45,541.69/x
  3. Step 3: Cross multiply
    163,869.33x = 245,804.07 × 45,541.69
  4. Step 4: Simplify right side
    163,869.33x = 11,194,333,439.43
  5. Step 5: Solve for x
    x = 11,194,333,439.43/163,869.33
  6. Step 6: Final answer
    x = 68,312.56

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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.