Home / 377,395.88-566,075.33-140,720.05

Finding the Fourth Proportional to 377,395.88, 566,075.33 and 140,720.05

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Solution

The fourth proportional to 377,395.88, 566,075.33 and 140,720.05 is: 211,073.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,395.88 : 566,075.33 = 140,720.05 : x
  2. Step 2: Convert to fraction form
    377,395.88/566,075.33 = 140,720.05/x
  3. Step 3: Cross multiply
    377,395.88x = 566,075.33 × 140,720.05
  4. Step 4: Simplify right side
    377,395.88x = 79,658,145,207.39
  5. Step 5: Solve for x
    x = 79,658,145,207.39/377,395.88
  6. Step 6: Final answer
    x = 211,073.17

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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.