Home / 113,946.88-157,157.04-106,307.50

Finding the Fourth Proportional to 113,946.88, 157,157.04 and 106,307.50

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Solution

The fourth proportional to 113,946.88, 157,157.04 and 106,307.50 is: 146,620.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,946.88 : 157,157.04 = 106,307.50 : x
  2. Step 2: Convert to fraction form
    113,946.88/157,157.04 = 106,307.50/x
  3. Step 3: Cross multiply
    113,946.88x = 157,157.04 × 106,307.50
  4. Step 4: Simplify right side
    113,946.88x = 16,706,972,029.80
  5. Step 5: Solve for x
    x = 16,706,972,029.80/113,946.88
  6. Step 6: Final answer
    x = 146,620.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.