Home / 134,858.78-202,312.70-67,426.01

Finding the Fourth Proportional to 134,858.78, 202,312.70 and 67,426.01

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Solution

The fourth proportional to 134,858.78, 202,312.70 and 67,426.01 is: 101,151.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,858.78 : 202,312.70 = 67,426.01 : x
  2. Step 2: Convert to fraction form
    134,858.78/202,312.70 = 67,426.01/x
  3. Step 3: Cross multiply
    134,858.78x = 202,312.70 × 67,426.01
  4. Step 4: Simplify right side
    134,858.78x = 13,641,138,133.33
  5. Step 5: Solve for x
    x = 13,641,138,133.33/134,858.78
  6. Step 6: Final answer
    x = 101,151.28

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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.