Home / 152,902.34-210,998.07-84,923.70

Finding the Fourth Proportional to 152,902.34, 210,998.07 and 84,923.70

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Solution

The fourth proportional to 152,902.34, 210,998.07 and 84,923.70 is: 117,190.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,902.34 : 210,998.07 = 84,923.70 : x
  2. Step 2: Convert to fraction form
    152,902.34/210,998.07 = 84,923.70/x
  3. Step 3: Cross multiply
    152,902.34x = 210,998.07 × 84,923.70
  4. Step 4: Simplify right side
    152,902.34x = 17,918,736,797.26
  5. Step 5: Solve for x
    x = 17,918,736,797.26/152,902.34
  6. Step 6: Final answer
    x = 117,190.73

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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.