Home / 152,548.19-210,600.30-104,222.78

Finding the Fourth Proportional to 152,548.19, 210,600.30 and 104,222.78

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Solution

The fourth proportional to 152,548.19, 210,600.30 and 104,222.78 is: 143,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,548.19 : 210,600.30 = 104,222.78 : x
  2. Step 2: Convert to fraction form
    152,548.19/210,600.30 = 104,222.78/x
  3. Step 3: Cross multiply
    152,548.19x = 210,600.30 × 104,222.78
  4. Step 4: Simplify right side
    152,548.19x = 21,949,350,047.05
  5. Step 5: Solve for x
    x = 21,949,350,047.05/152,548.19
  6. Step 6: Final answer
    x = 143,884.69

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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.