Home / 185,790.99-256,497.81-122,313.33

Finding the Fourth Proportional to 185,790.99, 256,497.81 and 122,313.33

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Solution

The fourth proportional to 185,790.99, 256,497.81 and 122,313.33 is: 168,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,790.99 : 256,497.81 = 122,313.33 : x
  2. Step 2: Convert to fraction form
    185,790.99/256,497.81 = 122,313.33/x
  3. Step 3: Cross multiply
    185,790.99x = 256,497.81 × 122,313.33
  4. Step 4: Simplify right side
    185,790.99x = 31,373,101,278.81
  5. Step 5: Solve for x
    x = 31,373,101,278.81/185,790.99
  6. Step 6: Final answer
    x = 168,862.34

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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.