Home / 125,830.17-173,579.43-74,806.59

Finding the Fourth Proportional to 125,830.17, 173,579.43 and 74,806.59

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Solution

The fourth proportional to 125,830.17, 173,579.43 and 74,806.59 is: 103,193.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,830.17 : 173,579.43 = 74,806.59 : x
  2. Step 2: Convert to fraction form
    125,830.17/173,579.43 = 74,806.59/x
  3. Step 3: Cross multiply
    125,830.17x = 173,579.43 × 74,806.59
  4. Step 4: Simplify right side
    125,830.17x = 12,984,885,252.44
  5. Step 5: Solve for x
    x = 12,984,885,252.44/125,830.17
  6. Step 6: Final answer
    x = 103,193.74

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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.