Home / 137,492.37-206,290.94-70,890.01

Finding the Fourth Proportional to 137,492.37, 206,290.94 and 70,890.01

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Solution

The fourth proportional to 137,492.37, 206,290.94 and 70,890.01 is: 106,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,492.37 : 206,290.94 = 70,890.01 : x
  2. Step 2: Convert to fraction form
    137,492.37/206,290.94 = 70,890.01/x
  3. Step 3: Cross multiply
    137,492.37x = 206,290.94 × 70,890.01
  4. Step 4: Simplify right side
    137,492.37x = 14,623,965,929.33
  5. Step 5: Solve for x
    x = 14,623,965,929.33/137,492.37
  6. Step 6: Final answer
    x = 106,362.02

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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.