Home / 190,931.94-263,487.54-119,354.10

Finding the Fourth Proportional to 190,931.94, 263,487.54 and 119,354.10

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Solution

The fourth proportional to 190,931.94, 263,487.54 and 119,354.10 is: 164,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,931.94 : 263,487.54 = 119,354.10 : x
  2. Step 2: Convert to fraction form
    190,931.94/263,487.54 = 119,354.10/x
  3. Step 3: Cross multiply
    190,931.94x = 263,487.54 × 119,354.10
  4. Step 4: Simplify right side
    190,931.94x = 31,448,318,197.91
  5. Step 5: Solve for x
    x = 31,448,318,197.91/190,931.94
  6. Step 6: Final answer
    x = 164,709.57

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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.