Home / 188,926.68-260,718.84-104,043

Finding the Fourth Proportional to 188,926.68, 260,718.84 and 104,043

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Solution

The fourth proportional to 188,926.68, 260,718.84 and 104,043 is: 143,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,926.68 : 260,718.84 = 104,043 : x
  2. Step 2: Convert to fraction form
    188,926.68/260,718.84 = 104,043/x
  3. Step 3: Cross multiply
    188,926.68x = 260,718.84 × 104,043
  4. Step 4: Simplify right side
    188,926.68x = 27,125,970,270.12
  5. Step 5: Solve for x
    x = 27,125,970,270.12/188,926.68
  6. Step 6: Final answer
    x = 143,579.35

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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.