Home / 256,403.02-353,828.72-141,679.84

Finding the Fourth Proportional to 256,403.02, 353,828.72 and 141,679.84

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Solution

The fourth proportional to 256,403.02, 353,828.72 and 141,679.84 is: 195,514.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,403.02 : 353,828.72 = 141,679.84 : x
  2. Step 2: Convert to fraction form
    256,403.02/353,828.72 = 141,679.84/x
  3. Step 3: Cross multiply
    256,403.02x = 353,828.72 × 141,679.84
  4. Step 4: Simplify right side
    256,403.02x = 50,130,396,437.00
  5. Step 5: Solve for x
    x = 50,130,396,437.00/256,403.02
  6. Step 6: Final answer
    x = 195,514.06

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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.