Home / 257,732.36-354,409.44-223,681.70

Finding the Fourth Proportional to 257,732.36, 354,409.44 and 223,681.70

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Solution

The fourth proportional to 257,732.36, 354,409.44 and 223,681.70 is: 307,586.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,732.36 : 354,409.44 = 223,681.70 : x
  2. Step 2: Convert to fraction form
    257,732.36/354,409.44 = 223,681.70/x
  3. Step 3: Cross multiply
    257,732.36x = 354,409.44 × 223,681.70
  4. Step 4: Simplify right side
    257,732.36x = 79,274,906,035.25
  5. Step 5: Solve for x
    x = 79,274,906,035.25/257,732.36
  6. Step 6: Final answer
    x = 307,586.16

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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.