Home / 307,613.20-461,333.40-97,315.60

Finding the Fourth Proportional to 307,613.20, 461,333.40 and 97,315.60

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Solution

The fourth proportional to 307,613.20, 461,333.40 and 97,315.60 is: 145,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,613.20 : 461,333.40 = 97,315.60 : x
  2. Step 2: Convert to fraction form
    307,613.20/461,333.40 = 97,315.60/x
  3. Step 3: Cross multiply
    307,613.20x = 461,333.40 × 97,315.60
  4. Step 4: Simplify right side
    307,613.20x = 44,894,936,621.04
  5. Step 5: Solve for x
    x = 44,894,936,621.04/307,613.20
  6. Step 6: Final answer
    x = 145,946.07

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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.