Home / 104,197.37-143,792.63-56,450.72

Finding the Fourth Proportional to 104,197.37, 143,792.63 and 56,450.72

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Solution

The fourth proportional to 104,197.37, 143,792.63 and 56,450.72 is: 77,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,197.37 : 143,792.63 = 56,450.72 : x
  2. Step 2: Convert to fraction form
    104,197.37/143,792.63 = 56,450.72/x
  3. Step 3: Cross multiply
    104,197.37x = 143,792.63 × 56,450.72
  4. Step 4: Simplify right side
    104,197.37x = 8,117,197,862.50
  5. Step 5: Solve for x
    x = 8,117,197,862.50/104,197.37
  6. Step 6: Final answer
    x = 77,902.13

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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.