Home / 187,913.36-259,318.59-103,030.22

Finding the Fourth Proportional to 187,913.36, 259,318.59 and 103,030.22

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Solution

The fourth proportional to 187,913.36, 259,318.59 and 103,030.22 is: 142,180.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,913.36 : 259,318.59 = 103,030.22 : x
  2. Step 2: Convert to fraction form
    187,913.36/259,318.59 = 103,030.22/x
  3. Step 3: Cross multiply
    187,913.36x = 259,318.59 × 103,030.22
  4. Step 4: Simplify right side
    187,913.36x = 26,717,651,377.79
  5. Step 5: Solve for x
    x = 26,717,651,377.79/187,913.36
  6. Step 6: Final answer
    x = 142,180.69

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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.