Home / 176,325.82-243,344.70-99,858.43

Finding the Fourth Proportional to 176,325.82, 243,344.70 and 99,858.43

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Solution

The fourth proportional to 176,325.82, 243,344.70 and 99,858.43 is: 137,813.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,325.82 : 243,344.70 = 99,858.43 : x
  2. Step 2: Convert to fraction form
    176,325.82/243,344.70 = 99,858.43/x
  3. Step 3: Cross multiply
    176,325.82x = 243,344.70 × 99,858.43
  4. Step 4: Simplify right side
    176,325.82x = 24,300,019,690.82
  5. Step 5: Solve for x
    x = 24,300,019,690.82/176,325.82
  6. Step 6: Final answer
    x = 137,813.17

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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.