Home / 525,047.95-787,378.74-187,997.23

Finding the Fourth Proportional to 525,047.95, 787,378.74 and 187,997.23

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Solution

The fourth proportional to 525,047.95, 787,378.74 and 187,997.23 is: 281,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,047.95 : 787,378.74 = 187,997.23 : x
  2. Step 2: Convert to fraction form
    525,047.95/787,378.74 = 187,997.23/x
  3. Step 3: Cross multiply
    525,047.95x = 787,378.74 × 187,997.23
  4. Step 4: Simplify right side
    525,047.95x = 148,025,022,080.89
  5. Step 5: Solve for x
    x = 148,025,022,080.89/525,047.95
  6. Step 6: Final answer
    x = 281,926.67

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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.