Home / 104,360.24-143,818.26-102,440.81

Finding the Fourth Proportional to 104,360.24, 143,818.26 and 102,440.81

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Solution

The fourth proportional to 104,360.24, 143,818.26 and 102,440.81 is: 141,173.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360.24 : 143,818.26 = 102,440.81 : x
  2. Step 2: Convert to fraction form
    104,360.24/143,818.26 = 102,440.81/x
  3. Step 3: Cross multiply
    104,360.24x = 143,818.26 × 102,440.81
  4. Step 4: Simplify right side
    104,360.24x = 14,732,859,047.19
  5. Step 5: Solve for x
    x = 14,732,859,047.19/104,360.24
  6. Step 6: Final answer
    x = 141,173.10

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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.