Home / 125,817.17-173,570.48-74,800.95

Finding the Fourth Proportional to 125,817.17, 173,570.48 and 74,800.95

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Solution

The fourth proportional to 125,817.17, 173,570.48 and 74,800.95 is: 103,191.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,817.17 : 173,570.48 = 74,800.95 : x
  2. Step 2: Convert to fraction form
    125,817.17/173,570.48 = 74,800.95/x
  3. Step 3: Cross multiply
    125,817.17x = 173,570.48 × 74,800.95
  4. Step 4: Simplify right side
    125,817.17x = 12,983,236,795.96
  5. Step 5: Solve for x
    x = 12,983,236,795.96/125,817.17
  6. Step 6: Final answer
    x = 103,191.30

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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.