Home / 199,141.72-274,813.05-108,501.46

Finding the Fourth Proportional to 199,141.72, 274,813.05 and 108,501.46

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Solution

The fourth proportional to 199,141.72, 274,813.05 and 108,501.46 is: 149,730.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,141.72 : 274,813.05 = 108,501.46 : x
  2. Step 2: Convert to fraction form
    199,141.72/274,813.05 = 108,501.46/x
  3. Step 3: Cross multiply
    199,141.72x = 274,813.05 × 108,501.46
  4. Step 4: Simplify right side
    199,141.72x = 29,817,617,152.05
  5. Step 5: Solve for x
    x = 29,817,617,152.05/199,141.72
  6. Step 6: Final answer
    x = 149,730.64

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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.