Home / 125,598.08-173,152.14-100,190.64

Finding the Fourth Proportional to 125,598.08, 173,152.14 and 100,190.64

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Solution

The fourth proportional to 125,598.08, 173,152.14 and 100,190.64 is: 138,124.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,598.08 : 173,152.14 = 100,190.64 : x
  2. Step 2: Convert to fraction form
    125,598.08/173,152.14 = 100,190.64/x
  3. Step 3: Cross multiply
    125,598.08x = 173,152.14 × 100,190.64
  4. Step 4: Simplify right side
    125,598.08x = 17,348,223,723.97
  5. Step 5: Solve for x
    x = 17,348,223,723.97/125,598.08
  6. Step 6: Final answer
    x = 138,124.91

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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.