Home / 132,155.40-182,525.80-87,035.06

Finding the Fourth Proportional to 132,155.40, 182,525.80 and 87,035.06

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Solution

The fourth proportional to 132,155.40, 182,525.80 and 87,035.06 is: 120,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,155.40 : 182,525.80 = 87,035.06 : x
  2. Step 2: Convert to fraction form
    132,155.40/182,525.80 = 87,035.06/x
  3. Step 3: Cross multiply
    132,155.40x = 182,525.80 × 87,035.06
  4. Step 4: Simplify right side
    132,155.40x = 15,886,143,954.55
  5. Step 5: Solve for x
    x = 15,886,143,954.55/132,155.40
  6. Step 6: Final answer
    x = 120,208.06

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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.