Home / 136,002.37-204,038.16-79,889.93

Finding the Fourth Proportional to 136,002.37, 204,038.16 and 79,889.93

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Solution

The fourth proportional to 136,002.37, 204,038.16 and 79,889.93 is: 119,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.37 : 204,038.16 = 79,889.93 : x
  2. Step 2: Convert to fraction form
    136,002.37/204,038.16 = 79,889.93/x
  3. Step 3: Cross multiply
    136,002.37x = 204,038.16 × 79,889.93
  4. Step 4: Simplify right side
    136,002.37x = 16,300,593,920.28
  5. Step 5: Solve for x
    x = 16,300,593,920.28/136,002.37
  6. Step 6: Final answer
    x = 119,855.22

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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.