Home / 253,623.54-349,986.48-140,439

Finding the Fourth Proportional to 253,623.54, 349,986.48 and 140,439

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Solution

The fourth proportional to 253,623.54, 349,986.48 and 140,439 is: 193,798.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,623.54 : 349,986.48 = 140,439 : x
  2. Step 2: Convert to fraction form
    253,623.54/349,986.48 = 140,439/x
  3. Step 3: Cross multiply
    253,623.54x = 349,986.48 × 140,439
  4. Step 4: Simplify right side
    253,623.54x = 49,151,751,264.72
  5. Step 5: Solve for x
    x = 49,151,751,264.72/253,623.54
  6. Step 6: Final answer
    x = 193,798.06

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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.