Home / 187,919.36-259,330.74-107,357.60

Finding the Fourth Proportional to 187,919.36, 259,330.74 and 107,357.60

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Solution

The fourth proportional to 187,919.36, 259,330.74 and 107,357.60 is: 148,154.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,919.36 : 259,330.74 = 107,357.60 : x
  2. Step 2: Convert to fraction form
    187,919.36/259,330.74 = 107,357.60/x
  3. Step 3: Cross multiply
    187,919.36x = 259,330.74 × 107,357.60
  4. Step 4: Simplify right side
    187,919.36x = 27,841,125,852.62
  5. Step 5: Solve for x
    x = 27,841,125,852.62/187,919.36
  6. Step 6: Final answer
    x = 148,154.64

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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.