Home / 143,075.16-214,528.50-54,334.98

Finding the Fourth Proportional to 143,075.16, 214,528.50 and 54,334.98

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Solution

The fourth proportional to 143,075.16, 214,528.50 and 54,334.98 is: 81,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,075.16 : 214,528.50 = 54,334.98 : x
  2. Step 2: Convert to fraction form
    143,075.16/214,528.50 = 54,334.98/x
  3. Step 3: Cross multiply
    143,075.16x = 214,528.50 × 54,334.98
  4. Step 4: Simplify right side
    143,075.16x = 11,656,401,756.93
  5. Step 5: Solve for x
    x = 11,656,401,756.93/143,075.16
  6. Step 6: Final answer
    x = 81,470.48

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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.