Home / 174,561.16-261,935.58-69,381

Finding the Fourth Proportional to 174,561.16, 261,935.58 and 69,381

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Solution

The fourth proportional to 174,561.16, 261,935.58 and 69,381 is: 104,108.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,561.16 : 261,935.58 = 69,381 : x
  2. Step 2: Convert to fraction form
    174,561.16/261,935.58 = 69,381/x
  3. Step 3: Cross multiply
    174,561.16x = 261,935.58 × 69,381
  4. Step 4: Simplify right side
    174,561.16x = 18,173,352,475.98
  5. Step 5: Solve for x
    x = 18,173,352,475.98/174,561.16
  6. Step 6: Final answer
    x = 104,108.80

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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.