Home / 104,133.99-143,704.89-56,387.34

Finding the Fourth Proportional to 104,133.99, 143,704.89 and 56,387.34

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Solution

The fourth proportional to 104,133.99, 143,704.89 and 56,387.34 is: 77,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,133.99 : 143,704.89 = 56,387.34 : x
  2. Step 2: Convert to fraction form
    104,133.99/143,704.89 = 56,387.34/x
  3. Step 3: Cross multiply
    104,133.99x = 143,704.89 × 56,387.34
  4. Step 4: Simplify right side
    104,133.99x = 8,103,136,492.09
  5. Step 5: Solve for x
    x = 8,103,136,492.09/104,133.99
  6. Step 6: Final answer
    x = 77,814.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.