Home / 190,368.42-262,708.70-104,313.72

Finding the Fourth Proportional to 190,368.42, 262,708.70 and 104,313.72

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Solution

The fourth proportional to 190,368.42, 262,708.70 and 104,313.72 is: 143,953.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,368.42 : 262,708.70 = 104,313.72 : x
  2. Step 2: Convert to fraction form
    190,368.42/262,708.70 = 104,313.72/x
  3. Step 3: Cross multiply
    190,368.42x = 262,708.70 × 104,313.72
  4. Step 4: Simplify right side
    190,368.42x = 27,404,121,251.80
  5. Step 5: Solve for x
    x = 27,404,121,251.80/190,368.42
  6. Step 6: Final answer
    x = 143,953.08

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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.