Home / 125,867.52-173,751.60-89,995.20

Finding the Fourth Proportional to 125,867.52, 173,751.60 and 89,995.20

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Solution

The fourth proportional to 125,867.52, 173,751.60 and 89,995.20 is: 124,232.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,867.52 : 173,751.60 = 89,995.20 : x
  2. Step 2: Convert to fraction form
    125,867.52/173,751.60 = 89,995.20/x
  3. Step 3: Cross multiply
    125,867.52x = 173,751.60 × 89,995.20
  4. Step 4: Simplify right side
    125,867.52x = 15,636,809,992.32
  5. Step 5: Solve for x
    x = 15,636,809,992.32/125,867.52
  6. Step 6: Final answer
    x = 124,232.29

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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.