Home / 188,854.23-260,618.13-103,971.36

Finding the Fourth Proportional to 188,854.23, 260,618.13 and 103,971.36

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Solution

The fourth proportional to 188,854.23, 260,618.13 and 103,971.36 is: 143,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,854.23 : 260,618.13 = 103,971.36 : x
  2. Step 2: Convert to fraction form
    188,854.23/260,618.13 = 103,971.36/x
  3. Step 3: Cross multiply
    188,854.23x = 260,618.13 × 103,971.36
  4. Step 4: Simplify right side
    188,854.23x = 27,096,821,416.76
  5. Step 5: Solve for x
    x = 27,096,821,416.76/188,854.23
  6. Step 6: Final answer
    x = 143,480.09

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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.