Home / 261,529.86-392,294.79-74,536.50

Finding the Fourth Proportional to 261,529.86, 392,294.79 and 74,536.50

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Solution

The fourth proportional to 261,529.86, 392,294.79 and 74,536.50 is: 111,804.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,529.86 : 392,294.79 = 74,536.50 : x
  2. Step 2: Convert to fraction form
    261,529.86/392,294.79 = 74,536.50/x
  3. Step 3: Cross multiply
    261,529.86x = 392,294.79 × 74,536.50
  4. Step 4: Simplify right side
    261,529.86x = 29,240,280,614.84
  5. Step 5: Solve for x
    x = 29,240,280,614.84/261,529.86
  6. Step 6: Final answer
    x = 111,804.75

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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.