Home / 209,234.56-314,990.32-190,634.08

Finding the Fourth Proportional to 209,234.56, 314,990.32 and 190,634.08

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Solution

The fourth proportional to 209,234.56, 314,990.32 and 190,634.08 is: 286,988.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,234.56 : 314,990.32 = 190,634.08 : x
  2. Step 2: Convert to fraction form
    209,234.56/314,990.32 = 190,634.08/x
  3. Step 3: Cross multiply
    209,234.56x = 314,990.32 × 190,634.08
  4. Step 4: Simplify right side
    209,234.56x = 60,047,889,862.11
  5. Step 5: Solve for x
    x = 60,047,889,862.11/209,234.56
  6. Step 6: Final answer
    x = 286,988.39

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.