Home / 147,794.23-221,779.67-54,309.43

Finding the Fourth Proportional to 147,794.23, 221,779.67 and 54,309.43

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Solution

The fourth proportional to 147,794.23, 221,779.67 and 54,309.43 is: 81,496.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,794.23 : 221,779.67 = 54,309.43 : x
  2. Step 2: Convert to fraction form
    147,794.23/221,779.67 = 54,309.43/x
  3. Step 3: Cross multiply
    147,794.23x = 221,779.67 × 54,309.43
  4. Step 4: Simplify right side
    147,794.23x = 12,044,727,463.29
  5. Step 5: Solve for x
    x = 12,044,727,463.29/147,794.23
  6. Step 6: Final answer
    x = 81,496.60

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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.