Home / 152,655.08-210,620.94-98,942.36

Finding the Fourth Proportional to 152,655.08, 210,620.94 and 98,942.36

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Solution

The fourth proportional to 152,655.08, 210,620.94 and 98,942.36 is: 136,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,655.08 : 210,620.94 = 98,942.36 : x
  2. Step 2: Convert to fraction form
    152,655.08/210,620.94 = 98,942.36/x
  3. Step 3: Cross multiply
    152,655.08x = 210,620.94 × 98,942.36
  4. Step 4: Simplify right side
    152,655.08x = 20,839,332,869.02
  5. Step 5: Solve for x
    x = 20,839,332,869.02/152,655.08
  6. Step 6: Final answer
    x = 136,512.54

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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.