Home / 106,914.69-147,542.67-57,856.32

Finding the Fourth Proportional to 106,914.69, 147,542.67 and 57,856.32

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Solution

The fourth proportional to 106,914.69, 147,542.67 and 57,856.32 is: 79,841.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,914.69 : 147,542.67 = 57,856.32 : x
  2. Step 2: Convert to fraction form
    106,914.69/147,542.67 = 57,856.32/x
  3. Step 3: Cross multiply
    106,914.69x = 147,542.67 × 57,856.32
  4. Step 4: Simplify right side
    106,914.69x = 8,536,275,929.17
  5. Step 5: Solve for x
    x = 8,536,275,929.17/106,914.69
  6. Step 6: Final answer
    x = 79,841.94

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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.