Home / 170,985.72-256,483.79-58,664.36

Finding the Fourth Proportional to 170,985.72, 256,483.79 and 58,664.36

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Solution

The fourth proportional to 170,985.72, 256,483.79 and 58,664.36 is: 87,998.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,985.72 : 256,483.79 = 58,664.36 : x
  2. Step 2: Convert to fraction form
    170,985.72/256,483.79 = 58,664.36/x
  3. Step 3: Cross multiply
    170,985.72x = 256,483.79 × 58,664.36
  4. Step 4: Simplify right side
    170,985.72x = 15,046,457,390.72
  5. Step 5: Solve for x
    x = 15,046,457,390.72/170,985.72
  6. Step 6: Final answer
    x = 87,998.33

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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.