Home / 209,811.10-314,352.14-189,253.30

Finding the Fourth Proportional to 209,811.10, 314,352.14 and 189,253.30

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Solution

The fourth proportional to 209,811.10, 314,352.14 and 189,253.30 is: 283,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,811.10 : 314,352.14 = 189,253.30 : x
  2. Step 2: Convert to fraction form
    209,811.10/314,352.14 = 189,253.30/x
  3. Step 3: Cross multiply
    209,811.10x = 314,352.14 × 189,253.30
  4. Step 4: Simplify right side
    209,811.10x = 59,492,179,857.06
  5. Step 5: Solve for x
    x = 59,492,179,857.06/209,811.10
  6. Step 6: Final answer
    x = 283,551.16

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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.