Home / 134,780.10-202,133.70-40,010.10

Finding the Fourth Proportional to 134,780.10, 202,133.70 and 40,010.10

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Solution

The fourth proportional to 134,780.10, 202,133.70 and 40,010.10 is: 60,004.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,780.10 : 202,133.70 = 40,010.10 : x
  2. Step 2: Convert to fraction form
    134,780.10/202,133.70 = 40,010.10/x
  3. Step 3: Cross multiply
    134,780.10x = 202,133.70 × 40,010.10
  4. Step 4: Simplify right side
    134,780.10x = 8,087,389,550.37
  5. Step 5: Solve for x
    x = 8,087,389,550.37/134,780.10
  6. Step 6: Final answer
    x = 60,004.33

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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.