Home / 209,354.04-314,134.92-82,991.60

Finding the Fourth Proportional to 209,354.04, 314,134.92 and 82,991.60

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Solution

The fourth proportional to 209,354.04, 314,134.92 and 82,991.60 is: 124,528.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,354.04 : 314,134.92 = 82,991.60 : x
  2. Step 2: Convert to fraction form
    209,354.04/314,134.92 = 82,991.60/x
  3. Step 3: Cross multiply
    209,354.04x = 314,134.92 × 82,991.60
  4. Step 4: Simplify right side
    209,354.04x = 26,070,559,626.67
  5. Step 5: Solve for x
    x = 26,070,559,626.67/209,354.04
  6. Step 6: Final answer
    x = 124,528.57

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1.5x scale

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.