Home / 170,190.96-255,444.04-86,010.36

Finding the Fourth Proportional to 170,190.96, 255,444.04 and 86,010.36

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Solution

The fourth proportional to 170,190.96, 255,444.04 and 86,010.36 is: 129,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,190.96 : 255,444.04 = 86,010.36 : x
  2. Step 2: Convert to fraction form
    170,190.96/255,444.04 = 86,010.36/x
  3. Step 3: Cross multiply
    170,190.96x = 255,444.04 × 86,010.36
  4. Step 4: Simplify right side
    170,190.96x = 21,970,833,840.25
  5. Step 5: Solve for x
    x = 21,970,833,840.25/170,190.96
  6. Step 6: Final answer
    x = 129,095.19

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1.5x scale

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.