Home / 136,848.67-188,940.02-122,483.62

Finding the Fourth Proportional to 136,848.67, 188,940.02 and 122,483.62

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Solution

The fourth proportional to 136,848.67, 188,940.02 and 122,483.62 is: 169,106.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,848.67 : 188,940.02 = 122,483.62 : x
  2. Step 2: Convert to fraction form
    136,848.67/188,940.02 = 122,483.62/x
  3. Step 3: Cross multiply
    136,848.67x = 188,940.02 × 122,483.62
  4. Step 4: Simplify right side
    136,848.67x = 23,142,058,154.86
  5. Step 5: Solve for x
    x = 23,142,058,154.86/136,848.67
  6. Step 6: Final answer
    x = 169,106.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.