Home / 256,664.00-384,799.16-156,871.19

Finding the Fourth Proportional to 256,664.00, 384,799.16 and 156,871.19

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Solution

The fourth proportional to 256,664.00, 384,799.16 and 156,871.19 is: 235,186.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,664.00 : 384,799.16 = 156,871.19 : x
  2. Step 2: Convert to fraction form
    256,664.00/384,799.16 = 156,871.19/x
  3. Step 3: Cross multiply
    256,664.00x = 384,799.16 × 156,871.19
  4. Step 4: Simplify right side
    256,664.00x = 60,363,900,216.20
  5. Step 5: Solve for x
    x = 60,363,900,216.20/256,664.00
  6. Step 6: Final answer
    x = 235,186.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.