Home / 197,655.43-272,809.32-154,549.66

Finding the Fourth Proportional to 197,655.43, 272,809.32 and 154,549.66

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Solution

The fourth proportional to 197,655.43, 272,809.32 and 154,549.66 is: 213,313.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.43 : 272,809.32 = 154,549.66 : x
  2. Step 2: Convert to fraction form
    197,655.43/272,809.32 = 154,549.66/x
  3. Step 3: Cross multiply
    197,655.43x = 272,809.32 × 154,549.66
  4. Step 4: Simplify right side
    197,655.43x = 42,162,587,650.83
  5. Step 5: Solve for x
    x = 42,162,587,650.83/197,655.43
  6. Step 6: Final answer
    x = 213,313.58

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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.