Home / 125,759.36-173,537.55-74,068.40

Finding the Fourth Proportional to 125,759.36, 173,537.55 and 74,068.40

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Solution

The fourth proportional to 125,759.36, 173,537.55 and 74,068.40 is: 102,208.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,759.36 : 173,537.55 = 74,068.40 : x
  2. Step 2: Convert to fraction form
    125,759.36/173,537.55 = 74,068.40/x
  3. Step 3: Cross multiply
    125,759.36x = 173,537.55 × 74,068.40
  4. Step 4: Simplify right side
    125,759.36x = 12,853,647,800.73
  5. Step 5: Solve for x
    x = 12,853,647,800.73/125,759.36
  6. Step 6: Final answer
    x = 102,208.28

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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.