Home / 125,756.25-173,533.10-74,065.16

Finding the Fourth Proportional to 125,756.25, 173,533.10 and 74,065.16

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Solution

The fourth proportional to 125,756.25, 173,533.10 and 74,065.16 is: 102,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,756.25 : 173,533.10 = 74,065.16 : x
  2. Step 2: Convert to fraction form
    125,756.25/173,533.10 = 74,065.16/x
  3. Step 3: Cross multiply
    125,756.25x = 173,533.10 × 74,065.16
  4. Step 4: Simplify right side
    125,756.25x = 12,852,755,578.80
  5. Step 5: Solve for x
    x = 12,852,755,578.80/125,756.25
  6. Step 6: Final answer
    x = 102,203.71

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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.