Home / 106,511.64-146,951.74-70,708.56

Finding the Fourth Proportional to 106,511.64, 146,951.74 and 70,708.56

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Solution

The fourth proportional to 106,511.64, 146,951.74 and 70,708.56 is: 97,555.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,511.64 : 146,951.74 = 70,708.56 : x
  2. Step 2: Convert to fraction form
    106,511.64/146,951.74 = 70,708.56/x
  3. Step 3: Cross multiply
    106,511.64x = 146,951.74 × 70,708.56
  4. Step 4: Simplify right side
    106,511.64x = 10,390,745,924.89
  5. Step 5: Solve for x
    x = 10,390,745,924.89/106,511.64
  6. Step 6: Final answer
    x = 97,555.03

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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.