Home / 381,271.52-571,535.32-181,538.24

Finding the Fourth Proportional to 381,271.52, 571,535.32 and 181,538.24

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Solution

The fourth proportional to 381,271.52, 571,535.32 and 181,538.24 is: 272,130.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,271.52 : 571,535.32 = 181,538.24 : x
  2. Step 2: Convert to fraction form
    381,271.52/571,535.32 = 181,538.24/x
  3. Step 3: Cross multiply
    381,271.52x = 571,535.32 × 181,538.24
  4. Step 4: Simplify right side
    381,271.52x = 103,755,516,090.64
  5. Step 5: Solve for x
    x = 103,755,516,090.64/381,271.52
  6. Step 6: Final answer
    x = 272,130.26

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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.