Home / 289,022.01-398,586.87-248,173.38

Finding the Fourth Proportional to 289,022.01, 398,586.87 and 248,173.38

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Solution

The fourth proportional to 289,022.01, 398,586.87 and 248,173.38 is: 342,253.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,022.01 : 398,586.87 = 248,173.38 : x
  2. Step 2: Convert to fraction form
    289,022.01/398,586.87 = 248,173.38/x
  3. Step 3: Cross multiply
    289,022.01x = 398,586.87 × 248,173.38
  4. Step 4: Simplify right side
    289,022.01x = 98,918,650,751.52
  5. Step 5: Solve for x
    x = 98,918,650,751.52/289,022.01
  6. Step 6: Final answer
    x = 342,253.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.