Home / 104,192.40-143,785.32-56,446.94

Finding the Fourth Proportional to 104,192.40, 143,785.32 and 56,446.94

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Solution

The fourth proportional to 104,192.40, 143,785.32 and 56,446.94 is: 77,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.40 : 143,785.32 = 56,446.94 : x
  2. Step 2: Convert to fraction form
    104,192.40/143,785.32 = 56,446.94/x
  3. Step 3: Cross multiply
    104,192.40x = 143,785.32 × 56,446.94
  4. Step 4: Simplify right side
    104,192.40x = 8,116,241,330.92
  5. Step 5: Solve for x
    x = 8,116,241,330.92/104,192.40
  6. Step 6: Final answer
    x = 77,896.67

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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.