Home / 125,450.39-173,116.46-75,177.11

Finding the Fourth Proportional to 125,450.39, 173,116.46 and 75,177.11

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Solution

The fourth proportional to 125,450.39, 173,116.46 and 75,177.11 is: 103,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,450.39 : 173,116.46 = 75,177.11 : x
  2. Step 2: Convert to fraction form
    125,450.39/173,116.46 = 75,177.11/x
  3. Step 3: Cross multiply
    125,450.39x = 173,116.46 × 75,177.11
  4. Step 4: Simplify right side
    125,450.39x = 13,014,395,156.23
  5. Step 5: Solve for x
    x = 13,014,395,156.23/125,450.39
  6. Step 6: Final answer
    x = 103,741.37

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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.