Home / 190,688.64-263,141.26-104,645.68

Finding the Fourth Proportional to 190,688.64, 263,141.26 and 104,645.68

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Solution

The fourth proportional to 190,688.64, 263,141.26 and 104,645.68 is: 144,406.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,688.64 : 263,141.26 = 104,645.68 : x
  2. Step 2: Convert to fraction form
    190,688.64/263,141.26 = 104,645.68/x
  3. Step 3: Cross multiply
    190,688.64x = 263,141.26 × 104,645.68
  4. Step 4: Simplify right side
    190,688.64x = 27,536,596,088.76
  5. Step 5: Solve for x
    x = 27,536,596,088.76/190,688.64
  6. Step 6: Final answer
    x = 144,406.06

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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.