Home / 261,944.37-361,513.19-145,669.44

Finding the Fourth Proportional to 261,944.37, 361,513.19 and 145,669.44

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Solution

The fourth proportional to 261,944.37, 361,513.19 and 145,669.44 is: 201,040.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,944.37 : 361,513.19 = 145,669.44 : x
  2. Step 2: Convert to fraction form
    261,944.37/361,513.19 = 145,669.44/x
  3. Step 3: Cross multiply
    261,944.37x = 361,513.19 × 145,669.44
  4. Step 4: Simplify right side
    261,944.37x = 52,661,423,011.71
  5. Step 5: Solve for x
    x = 52,661,423,011.71/261,944.37
  6. Step 6: Final answer
    x = 201,040.49

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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.