Home / 170,983.48-235,985.90-115,767.75

Finding the Fourth Proportional to 170,983.48, 235,985.90 and 115,767.75

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Solution

The fourth proportional to 170,983.48, 235,985.90 and 115,767.75 is: 159,778.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,983.48 : 235,985.90 = 115,767.75 : x
  2. Step 2: Convert to fraction form
    170,983.48/235,985.90 = 115,767.75/x
  3. Step 3: Cross multiply
    170,983.48x = 235,985.90 × 115,767.75
  4. Step 4: Simplify right side
    170,983.48x = 27,319,556,095.89
  5. Step 5: Solve for x
    x = 27,319,556,095.89/170,983.48
  6. Step 6: Final answer
    x = 159,778.93

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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.