Home / 141,267.26-211,812.80-66,355.22

Finding the Fourth Proportional to 141,267.26, 211,812.80 and 66,355.22

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Solution

The fourth proportional to 141,267.26, 211,812.80 and 66,355.22 is: 99,491.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,267.26 : 211,812.80 = 66,355.22 : x
  2. Step 2: Convert to fraction form
    141,267.26/211,812.80 = 66,355.22/x
  3. Step 3: Cross multiply
    141,267.26x = 211,812.80 × 66,355.22
  4. Step 4: Simplify right side
    141,267.26x = 14,054,883,551.98
  5. Step 5: Solve for x
    x = 14,054,883,551.98/141,267.26
  6. Step 6: Final answer
    x = 99,491.45

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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.