Home / 451,421.55-676,935.47-170,741.97

Finding the Fourth Proportional to 451,421.55, 676,935.47 and 170,741.97

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Solution

The fourth proportional to 451,421.55, 676,935.47 and 170,741.97 is: 256,038.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,421.55 : 676,935.47 = 170,741.97 : x
  2. Step 2: Convert to fraction form
    451,421.55/676,935.47 = 170,741.97/x
  3. Step 3: Cross multiply
    451,421.55x = 676,935.47 × 170,741.97
  4. Step 4: Simplify right side
    451,421.55x = 115,581,295,710.68
  5. Step 5: Solve for x
    x = 115,581,295,710.68/451,421.55
  6. Step 6: Final answer
    x = 256,038.50

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.