Home / 104,144.03-143,718.90-56,397.46

Finding the Fourth Proportional to 104,144.03, 143,718.90 and 56,397.46

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Solution

The fourth proportional to 104,144.03, 143,718.90 and 56,397.46 is: 77,828.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,144.03 : 143,718.90 = 56,397.46 : x
  2. Step 2: Convert to fraction form
    104,144.03/143,718.90 = 56,397.46/x
  3. Step 3: Cross multiply
    104,144.03x = 143,718.90 × 56,397.46
  4. Step 4: Simplify right side
    104,144.03x = 8,105,380,913.99
  5. Step 5: Solve for x
    x = 8,105,380,913.99/104,144.03
  6. Step 6: Final answer
    x = 77,828.57

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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.