Home / 167,140.31-230,656.75-102,577.19

Finding the Fourth Proportional to 167,140.31, 230,656.75 and 102,577.19

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Solution

The fourth proportional to 167,140.31, 230,656.75 and 102,577.19 is: 141,558.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,140.31 : 230,656.75 = 102,577.19 : x
  2. Step 2: Convert to fraction form
    167,140.31/230,656.75 = 102,577.19/x
  3. Step 3: Cross multiply
    167,140.31x = 230,656.75 × 102,577.19
  4. Step 4: Simplify right side
    167,140.31x = 23,660,119,859.81
  5. Step 5: Solve for x
    x = 23,660,119,859.81/167,140.31
  6. Step 6: Final answer
    x = 141,558.43

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1.5x scale

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.