Home / 132,142.96-182,362.80-75,554.32

Finding the Fourth Proportional to 132,142.96, 182,362.80 and 75,554.32

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Solution

The fourth proportional to 132,142.96, 182,362.80 and 75,554.32 is: 104,268.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,142.96 : 182,362.80 = 75,554.32 : x
  2. Step 2: Convert to fraction form
    132,142.96/182,362.80 = 75,554.32/x
  3. Step 3: Cross multiply
    132,142.96x = 182,362.80 × 75,554.32
  4. Step 4: Simplify right side
    132,142.96x = 13,778,297,347.30
  5. Step 5: Solve for x
    x = 13,778,297,347.30/132,142.96
  6. Step 6: Final answer
    x = 104,268.11

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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.