Home / 256,288.02-353,676.06-141,574.56

Finding the Fourth Proportional to 256,288.02, 353,676.06 and 141,574.56

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Solution

The fourth proportional to 256,288.02, 353,676.06 and 141,574.56 is: 195,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,288.02 : 353,676.06 = 141,574.56 : x
  2. Step 2: Convert to fraction form
    256,288.02/353,676.06 = 141,574.56/x
  3. Step 3: Cross multiply
    256,288.02x = 353,676.06 × 141,574.56
  4. Step 4: Simplify right side
    256,288.02x = 50,071,531,427.72
  5. Step 5: Solve for x
    x = 50,071,531,427.72/256,288.02
  6. Step 6: Final answer
    x = 195,372.11

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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.