Home / 361,738.80-542,302.02-136,975.34

Finding the Fourth Proportional to 361,738.80, 542,302.02 and 136,975.34

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Solution

The fourth proportional to 361,738.80, 542,302.02 and 136,975.34 is: 205,347.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,738.80 : 542,302.02 = 136,975.34 : x
  2. Step 2: Convert to fraction form
    361,738.80/542,302.02 = 136,975.34/x
  3. Step 3: Cross multiply
    361,738.80x = 542,302.02 × 136,975.34
  4. Step 4: Simplify right side
    361,738.80x = 74,282,004,927.94
  5. Step 5: Solve for x
    x = 74,282,004,927.94/361,738.80
  6. Step 6: Final answer
    x = 205,347.08

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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.