Home / 307,621.12-461,428.96-97,259.20

Finding the Fourth Proportional to 307,621.12, 461,428.96 and 97,259.20

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Solution

The fourth proportional to 307,621.12, 461,428.96 and 97,259.20 is: 145,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,621.12 : 461,428.96 = 97,259.20 : x
  2. Step 2: Convert to fraction form
    307,621.12/461,428.96 = 97,259.20/x
  3. Step 3: Cross multiply
    307,621.12x = 461,428.96 × 97,259.20
  4. Step 4: Simplify right side
    307,621.12x = 44,878,211,506.43
  5. Step 5: Solve for x
    x = 44,878,211,506.43/307,621.12
  6. Step 6: Final answer
    x = 145,887.94

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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.