Home / 152,743.40-229,172.70-73,927.40

Finding the Fourth Proportional to 152,743.40, 229,172.70 and 73,927.40

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Solution

The fourth proportional to 152,743.40, 229,172.70 and 73,927.40 is: 110,918.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,743.40 : 229,172.70 = 73,927.40 : x
  2. Step 2: Convert to fraction form
    152,743.40/229,172.70 = 73,927.40/x
  3. Step 3: Cross multiply
    152,743.40x = 229,172.70 × 73,927.40
  4. Step 4: Simplify right side
    152,743.40x = 16,942,141,861.98
  5. Step 5: Solve for x
    x = 16,942,141,861.98/152,743.40
  6. Step 6: Final answer
    x = 110,918.98

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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.