Home / 137,794.96-190,176.06-76,554.88

Finding the Fourth Proportional to 137,794.96, 190,176.06 and 76,554.88

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Solution

The fourth proportional to 137,794.96, 190,176.06 and 76,554.88 is: 105,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,794.96 : 190,176.06 = 76,554.88 : x
  2. Step 2: Convert to fraction form
    137,794.96/190,176.06 = 76,554.88/x
  3. Step 3: Cross multiply
    137,794.96x = 190,176.06 × 76,554.88
  4. Step 4: Simplify right side
    137,794.96x = 14,558,905,452.17
  5. Step 5: Solve for x
    x = 14,558,905,452.17/137,794.96
  6. Step 6: Final answer
    x = 105,656.30

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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.