Home / 158,929.47-238,172.54-119,440.35

Finding the Fourth Proportional to 158,929.47, 238,172.54 and 119,440.35

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Solution

The fourth proportional to 158,929.47, 238,172.54 and 119,440.35 is: 178,993.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,929.47 : 238,172.54 = 119,440.35 : x
  2. Step 2: Convert to fraction form
    158,929.47/238,172.54 = 119,440.35/x
  3. Step 3: Cross multiply
    158,929.47x = 238,172.54 × 119,440.35
  4. Step 4: Simplify right side
    158,929.47x = 28,447,410,940.79
  5. Step 5: Solve for x
    x = 28,447,410,940.79/158,929.47
  6. Step 6: Final answer
    x = 178,993.93

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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.