Home / 157,856.07-236,636.48-57,989.45

Finding the Fourth Proportional to 157,856.07, 236,636.48 and 57,989.45

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Solution

The fourth proportional to 157,856.07, 236,636.48 and 57,989.45 is: 86,929.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,856.07 : 236,636.48 = 57,989.45 : x
  2. Step 2: Convert to fraction form
    157,856.07/236,636.48 = 57,989.45/x
  3. Step 3: Cross multiply
    157,856.07x = 236,636.48 × 57,989.45
  4. Step 4: Simplify right side
    157,856.07x = 13,722,419,325.14
  5. Step 5: Solve for x
    x = 13,722,419,325.14/157,856.07
  6. Step 6: Final answer
    x = 86,929.94

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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.