Home / 163,870.33-245,805.57-45,542.69

Finding the Fourth Proportional to 163,870.33, 245,805.57 and 45,542.69

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Solution

The fourth proportional to 163,870.33, 245,805.57 and 45,542.69 is: 68,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,870.33 : 245,805.57 = 45,542.69 : x
  2. Step 2: Convert to fraction form
    163,870.33/245,805.57 = 45,542.69/x
  3. Step 3: Cross multiply
    163,870.33x = 245,805.57 × 45,542.69
  4. Step 4: Simplify right side
    163,870.33x = 11,194,646,874.78
  5. Step 5: Solve for x
    x = 11,194,646,874.78/163,870.33
  6. Step 6: Final answer
    x = 68,314.06

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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.