Home / 190,931.76-263,495.16-106,047

Finding the Fourth Proportional to 190,931.76, 263,495.16 and 106,047

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Solution

The fourth proportional to 190,931.76, 263,495.16 and 106,047 is: 146,350.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,931.76 : 263,495.16 = 106,047 : x
  2. Step 2: Convert to fraction form
    190,931.76/263,495.16 = 106,047/x
  3. Step 3: Cross multiply
    190,931.76x = 263,495.16 × 106,047
  4. Step 4: Simplify right side
    190,931.76x = 27,942,871,232.52
  5. Step 5: Solve for x
    x = 27,942,871,232.52/190,931.76
  6. Step 6: Final answer
    x = 146,350.04

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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.