Home / 199,631.50-299,184.78-98,485.18

Finding the Fourth Proportional to 199,631.50, 299,184.78 and 98,485.18

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Solution

The fourth proportional to 199,631.50, 299,184.78 and 98,485.18 is: 147,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,631.50 : 299,184.78 = 98,485.18 : x
  2. Step 2: Convert to fraction form
    199,631.50/299,184.78 = 98,485.18/x
  3. Step 3: Cross multiply
    199,631.50x = 299,184.78 × 98,485.18
  4. Step 4: Simplify right side
    199,631.50x = 29,465,266,911.56
  5. Step 5: Solve for x
    x = 29,465,266,911.56/199,631.50
  6. Step 6: Final answer
    x = 147,598.28

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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.