Home / 197,943.83-272,986.12-154,347.19

Finding the Fourth Proportional to 197,943.83, 272,986.12 and 154,347.19

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Solution

The fourth proportional to 197,943.83, 272,986.12 and 154,347.19 is: 212,861.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,943.83 : 272,986.12 = 154,347.19 : x
  2. Step 2: Convert to fraction form
    197,943.83/272,986.12 = 154,347.19/x
  3. Step 3: Cross multiply
    197,943.83x = 272,986.12 × 154,347.19
  4. Step 4: Simplify right side
    197,943.83x = 42,134,639,173.27
  5. Step 5: Solve for x
    x = 42,134,639,173.27/197,943.83
  6. Step 6: Final answer
    x = 212,861.59

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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.