Home / 125,412.44-173,147.63-87,160.59

Finding the Fourth Proportional to 125,412.44, 173,147.63 and 87,160.59

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Solution

The fourth proportional to 125,412.44, 173,147.63 and 87,160.59 is: 120,336.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,412.44 : 173,147.63 = 87,160.59 : x
  2. Step 2: Convert to fraction form
    125,412.44/173,147.63 = 87,160.59/x
  3. Step 3: Cross multiply
    125,412.44x = 173,147.63 × 87,160.59
  4. Step 4: Simplify right side
    125,412.44x = 15,091,649,152.10
  5. Step 5: Solve for x
    x = 15,091,649,152.10/125,412.44
  6. Step 6: Final answer
    x = 120,336.15

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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.