Home / 190,966-286,512.18-102,199.72

Finding the Fourth Proportional to 190,966, 286,512.18 and 102,199.72

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Solution

The fourth proportional to 190,966, 286,512.18 and 102,199.72 is: 153,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,966 : 286,512.18 = 102,199.72 : x
  2. Step 2: Convert to fraction form
    190,966/286,512.18 = 102,199.72/x
  3. Step 3: Cross multiply
    190,966x = 286,512.18 × 102,199.72
  4. Step 4: Simplify right side
    190,966x = 29,281,464,572.59
  5. Step 5: Solve for x
    x = 29,281,464,572.59/190,966
  6. Step 6: Final answer
    x = 153,333.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.