Home / 149,312.20-206,043.06-92,722.36

Finding the Fourth Proportional to 149,312.20, 206,043.06 and 92,722.36

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Solution

The fourth proportional to 149,312.20, 206,043.06 and 92,722.36 is: 127,952.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,312.20 : 206,043.06 = 92,722.36 : x
  2. Step 2: Convert to fraction form
    149,312.20/206,043.06 = 92,722.36/x
  3. Step 3: Cross multiply
    149,312.20x = 206,043.06 × 92,722.36
  4. Step 4: Simplify right side
    149,312.20x = 19,104,798,784.82
  5. Step 5: Solve for x
    x = 19,104,798,784.82/149,312.20
  6. Step 6: Final answer
    x = 127,952.03

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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.