Home / 213,436.89-294,543.01-117,943.58

Finding the Fourth Proportional to 213,436.89, 294,543.01 and 117,943.58

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Solution

The fourth proportional to 213,436.89, 294,543.01 and 117,943.58 is: 162,762.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,436.89 : 294,543.01 = 117,943.58 : x
  2. Step 2: Convert to fraction form
    213,436.89/294,543.01 = 117,943.58/x
  3. Step 3: Cross multiply
    213,436.89x = 294,543.01 × 117,943.58
  4. Step 4: Simplify right side
    213,436.89x = 34,739,456,473.66
  5. Step 5: Solve for x
    x = 34,739,456,473.66/213,436.89
  6. Step 6: Final answer
    x = 162,762.20

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1.5x scale

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.