Home / 197,218.98-272,181.24-116,672.40

Finding the Fourth Proportional to 197,218.98, 272,181.24 and 116,672.40

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Solution

The fourth proportional to 197,218.98, 272,181.24 and 116,672.40 is: 161,019.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,218.98 : 272,181.24 = 116,672.40 : x
  2. Step 2: Convert to fraction form
    197,218.98/272,181.24 = 116,672.40/x
  3. Step 3: Cross multiply
    197,218.98x = 272,181.24 × 116,672.40
  4. Step 4: Simplify right side
    197,218.98x = 31,756,038,505.78
  5. Step 5: Solve for x
    x = 31,756,038,505.78/197,218.98
  6. Step 6: Final answer
    x = 161,019.18

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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.