Home / 104,211.97-143,812.26-56,465.30

Finding the Fourth Proportional to 104,211.97, 143,812.26 and 56,465.30

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Solution

The fourth proportional to 104,211.97, 143,812.26 and 56,465.30 is: 77,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,211.97 : 143,812.26 = 56,465.30 : x
  2. Step 2: Convert to fraction form
    104,211.97/143,812.26 = 56,465.30/x
  3. Step 3: Cross multiply
    104,211.97x = 143,812.26 × 56,465.30
  4. Step 4: Simplify right side
    104,211.97x = 8,120,402,764.11
  5. Step 5: Solve for x
    x = 8,120,402,764.11/104,211.97
  6. Step 6: Final answer
    x = 77,921.98

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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.