Home / 125,821.05-173,575.82-74,804.82

Finding the Fourth Proportional to 125,821.05, 173,575.82 and 74,804.82

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Solution

The fourth proportional to 125,821.05, 173,575.82 and 74,804.82 is: 103,196.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,821.05 : 173,575.82 = 74,804.82 : x
  2. Step 2: Convert to fraction form
    125,821.05/173,575.82 = 74,804.82/x
  3. Step 3: Cross multiply
    125,821.05x = 173,575.82 × 74,804.82
  4. Step 4: Simplify right side
    125,821.05x = 12,984,307,597.43
  5. Step 5: Solve for x
    x = 12,984,307,597.43/125,821.05
  6. Step 6: Final answer
    x = 103,196.62

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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.