Home / 114,557.70-171,836.55-99,795.45

Finding the Fourth Proportional to 114,557.70, 171,836.55 and 99,795.45

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Solution

The fourth proportional to 114,557.70, 171,836.55 and 99,795.45 is: 149,693.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,557.70 : 171,836.55 = 99,795.45 : x
  2. Step 2: Convert to fraction form
    114,557.70/171,836.55 = 99,795.45/x
  3. Step 3: Cross multiply
    114,557.70x = 171,836.55 × 99,795.45
  4. Step 4: Simplify right side
    114,557.70x = 17,148,505,833.70
  5. Step 5: Solve for x
    x = 17,148,505,833.70/114,557.70
  6. Step 6: Final answer
    x = 149,693.18

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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.