Home / 356,941.68-492,557.40-213,713.52

Finding the Fourth Proportional to 356,941.68, 492,557.40 and 213,713.52

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Solution

The fourth proportional to 356,941.68, 492,557.40 and 213,713.52 is: 294,911.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,941.68 : 492,557.40 = 213,713.52 : x
  2. Step 2: Convert to fraction form
    356,941.68/492,557.40 = 213,713.52/x
  3. Step 3: Cross multiply
    356,941.68x = 492,557.40 × 213,713.52
  4. Step 4: Simplify right side
    356,941.68x = 105,266,175,756.05
  5. Step 5: Solve for x
    x = 105,266,175,756.05/356,941.68
  6. Step 6: Final answer
    x = 294,911.41

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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.