Home / 196,003.90-270,199.06-138,541.83

Finding the Fourth Proportional to 196,003.90, 270,199.06 and 138,541.83

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Solution

The fourth proportional to 196,003.90, 270,199.06 and 138,541.83 is: 190,985.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,003.90 : 270,199.06 = 138,541.83 : x
  2. Step 2: Convert to fraction form
    196,003.90/270,199.06 = 138,541.83/x
  3. Step 3: Cross multiply
    196,003.90x = 270,199.06 × 138,541.83
  4. Step 4: Simplify right side
    196,003.90x = 37,433,871,543.97
  5. Step 5: Solve for x
    x = 37,433,871,543.97/196,003.90
  6. Step 6: Final answer
    x = 190,985.35

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1.5x scale

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.