Home / 173,750.22-239,812.70-105,789.60

Finding the Fourth Proportional to 173,750.22, 239,812.70 and 105,789.60

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Solution

The fourth proportional to 173,750.22, 239,812.70 and 105,789.60 is: 146,012.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,750.22 : 239,812.70 = 105,789.60 : x
  2. Step 2: Convert to fraction form
    173,750.22/239,812.70 = 105,789.60/x
  3. Step 3: Cross multiply
    173,750.22x = 239,812.70 × 105,789.60
  4. Step 4: Simplify right side
    173,750.22x = 25,369,689,078.97
  5. Step 5: Solve for x
    x = 25,369,689,078.97/173,750.22
  6. Step 6: Final answer
    x = 146,012.41

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1.5x scale

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.