Home / 170,775.96-235,669.92-99,173.58

Finding the Fourth Proportional to 170,775.96, 235,669.92 and 99,173.58

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Solution

The fourth proportional to 170,775.96, 235,669.92 and 99,173.58 is: 136,859.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,775.96 : 235,669.92 = 99,173.58 : x
  2. Step 2: Convert to fraction form
    170,775.96/235,669.92 = 99,173.58/x
  3. Step 3: Cross multiply
    170,775.96x = 235,669.92 × 99,173.58
  4. Step 4: Simplify right side
    170,775.96x = 23,372,229,664.71
  5. Step 5: Solve for x
    x = 23,372,229,664.71/170,775.96
  6. Step 6: Final answer
    x = 136,859.01

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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.