Home / 187,958.07-259,386.30-103,074.93

Finding the Fourth Proportional to 187,958.07, 259,386.30 and 103,074.93

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Solution

The fourth proportional to 187,958.07, 259,386.30 and 103,074.93 is: 142,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,958.07 : 259,386.30 = 103,074.93 : x
  2. Step 2: Convert to fraction form
    187,958.07/259,386.30 = 103,074.93/x
  3. Step 3: Cross multiply
    187,958.07x = 259,386.30 × 103,074.93
  4. Step 4: Simplify right side
    187,958.07x = 26,736,224,715.46
  5. Step 5: Solve for x
    x = 26,736,224,715.46/187,958.07
  6. Step 6: Final answer
    x = 142,245.69

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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.