Home / 170,736.36-256,038.90-117,985.92

Finding the Fourth Proportional to 170,736.36, 256,038.90 and 117,985.92

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Solution

The fourth proportional to 170,736.36, 256,038.90 and 117,985.92 is: 176,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,736.36 : 256,038.90 = 117,985.92 : x
  2. Step 2: Convert to fraction form
    170,736.36/256,038.90 = 117,985.92/x
  3. Step 3: Cross multiply
    170,736.36x = 256,038.90 × 117,985.92
  4. Step 4: Simplify right side
    170,736.36x = 30,208,985,172.29
  5. Step 5: Solve for x
    x = 30,208,985,172.29/170,736.36
  6. Step 6: Final answer
    x = 176,933.52

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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.