Home / 106,730.58-147,284.37-64,280.82

Finding the Fourth Proportional to 106,730.58, 147,284.37 and 64,280.82

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Solution

The fourth proportional to 106,730.58, 147,284.37 and 64,280.82 is: 88,705.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,730.58 : 147,284.37 = 64,280.82 : x
  2. Step 2: Convert to fraction form
    106,730.58/147,284.37 = 64,280.82/x
  3. Step 3: Cross multiply
    106,730.58x = 147,284.37 × 64,280.82
  4. Step 4: Simplify right side
    106,730.58x = 9,467,560,076.78
  5. Step 5: Solve for x
    x = 9,467,560,076.78/106,730.58
  6. Step 6: Final answer
    x = 88,705.22

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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.