Home / 157,712.67-236,428.07-57,849.39

Finding the Fourth Proportional to 157,712.67, 236,428.07 and 57,849.39

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Solution

The fourth proportional to 157,712.67, 236,428.07 and 57,849.39 is: 86,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,712.67 : 236,428.07 = 57,849.39 : x
  2. Step 2: Convert to fraction form
    157,712.67/236,428.07 = 57,849.39/x
  3. Step 3: Cross multiply
    157,712.67x = 236,428.07 × 57,849.39
  4. Step 4: Simplify right side
    157,712.67x = 13,677,219,339.13
  5. Step 5: Solve for x
    x = 13,677,219,339.13/157,712.67
  6. Step 6: Final answer
    x = 86,722.39

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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.