Home / 191,081.73-286,663.82-57,972.71

Finding the Fourth Proportional to 191,081.73, 286,663.82 and 57,972.71

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Solution

The fourth proportional to 191,081.73, 286,663.82 and 57,972.71 is: 86,971.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,081.73 : 286,663.82 = 57,972.71 : x
  2. Step 2: Convert to fraction form
    191,081.73/286,663.82 = 57,972.71/x
  3. Step 3: Cross multiply
    191,081.73x = 286,663.82 × 57,972.71
  4. Step 4: Simplify right side
    191,081.73x = 16,618,677,071.03
  5. Step 5: Solve for x
    x = 16,618,677,071.03/191,081.73
  6. Step 6: Final answer
    x = 86,971.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.