Home / 157,740.19-236,610.79-39,411.54

Finding the Fourth Proportional to 157,740.19, 236,610.79 and 39,411.54

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Solution

The fourth proportional to 157,740.19, 236,610.79 and 39,411.54 is: 59,117.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,740.19 : 236,610.79 = 39,411.54 : x
  2. Step 2: Convert to fraction form
    157,740.19/236,610.79 = 39,411.54/x
  3. Step 3: Cross multiply
    157,740.19x = 236,610.79 × 39,411.54
  4. Step 4: Simplify right side
    157,740.19x = 9,325,195,515.99
  5. Step 5: Solve for x
    x = 9,325,195,515.99/157,740.19
  6. Step 6: Final answer
    x = 59,117.44

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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.