Home / 131,582.42-197,386.08-36,812.64

Finding the Fourth Proportional to 131,582.42, 197,386.08 and 36,812.64

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Solution

The fourth proportional to 131,582.42, 197,386.08 and 36,812.64 is: 55,222.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,582.42 : 197,386.08 = 36,812.64 : x
  2. Step 2: Convert to fraction form
    131,582.42/197,386.08 = 36,812.64/x
  3. Step 3: Cross multiply
    131,582.42x = 197,386.08 × 36,812.64
  4. Step 4: Simplify right side
    131,582.42x = 7,266,302,704.05
  5. Step 5: Solve for x
    x = 7,266,302,704.05/131,582.42
  6. Step 6: Final answer
    x = 55,222.44

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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.