Home / 370,265.50-555,400.07-89,782.75

Finding the Fourth Proportional to 370,265.50, 555,400.07 and 89,782.75

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Solution

The fourth proportional to 370,265.50, 555,400.07 and 89,782.75 is: 134,674.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,265.50 : 555,400.07 = 89,782.75 : x
  2. Step 2: Convert to fraction form
    370,265.50/555,400.07 = 89,782.75/x
  3. Step 3: Cross multiply
    370,265.50x = 555,400.07 × 89,782.75
  4. Step 4: Simplify right side
    370,265.50x = 49,865,345,634.79
  5. Step 5: Solve for x
    x = 49,865,345,634.79/370,265.50
  6. Step 6: Final answer
    x = 134,674.57

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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.