Home / 131,266.08-196,907.76-37,772.64

Finding the Fourth Proportional to 131,266.08, 196,907.76 and 37,772.64

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Solution

The fourth proportional to 131,266.08, 196,907.76 and 37,772.64 is: 56,661.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,266.08 : 196,907.76 = 37,772.64 : x
  2. Step 2: Convert to fraction form
    131,266.08/196,907.76 = 37,772.64/x
  3. Step 3: Cross multiply
    131,266.08x = 196,907.76 × 37,772.64
  4. Step 4: Simplify right side
    131,266.08x = 7,437,725,931.69
  5. Step 5: Solve for x
    x = 7,437,725,931.69/131,266.08
  6. Step 6: Final answer
    x = 56,661.45

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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.