Home / 188,071.98-259,544.72-107,510.19

Finding the Fourth Proportional to 188,071.98, 259,544.72 and 107,510.19

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Solution

The fourth proportional to 188,071.98, 259,544.72 and 107,510.19 is: 148,367.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,071.98 : 259,544.72 = 107,510.19 : x
  2. Step 2: Convert to fraction form
    188,071.98/259,544.72 = 107,510.19/x
  3. Step 3: Cross multiply
    188,071.98x = 259,544.72 × 107,510.19
  4. Step 4: Simplify right side
    188,071.98x = 27,903,702,160.70
  5. Step 5: Solve for x
    x = 27,903,702,160.70/188,071.98
  6. Step 6: Final answer
    x = 148,367.14

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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.