Home / 124,816.50-187,271.87-74,931.37

Finding the Fourth Proportional to 124,816.50, 187,271.87 and 74,931.37

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Solution

The fourth proportional to 124,816.50, 187,271.87 and 74,931.37 is: 112,425.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,816.50 : 187,271.87 = 74,931.37 : x
  2. Step 2: Convert to fraction form
    124,816.50/187,271.87 = 74,931.37/x
  3. Step 3: Cross multiply
    124,816.50x = 187,271.87 × 74,931.37
  4. Step 4: Simplify right side
    124,816.50x = 14,032,536,938.73
  5. Step 5: Solve for x
    x = 14,032,536,938.73/124,816.50
  6. Step 6: Final answer
    x = 112,425.34

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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.