Home / 125,836.23-173,643.57-74,145.27

Finding the Fourth Proportional to 125,836.23, 173,643.57 and 74,145.27

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Solution

The fourth proportional to 125,836.23, 173,643.57 and 74,145.27 is: 102,314.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,836.23 : 173,643.57 = 74,145.27 : x
  2. Step 2: Convert to fraction form
    125,836.23/173,643.57 = 74,145.27/x
  3. Step 3: Cross multiply
    125,836.23x = 173,643.57 × 74,145.27
  4. Step 4: Simplify right side
    125,836.23x = 12,874,849,381.41
  5. Step 5: Solve for x
    x = 12,874,849,381.41/125,836.23
  6. Step 6: Final answer
    x = 102,314.33

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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.