Home / 291,822.56-402,659.12-177,069.76

Finding the Fourth Proportional to 291,822.56, 402,659.12 and 177,069.76

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Solution

The fourth proportional to 291,822.56, 402,659.12 and 177,069.76 is: 244,322.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,822.56 : 402,659.12 = 177,069.76 : x
  2. Step 2: Convert to fraction form
    291,822.56/402,659.12 = 177,069.76/x
  3. Step 3: Cross multiply
    291,822.56x = 402,659.12 × 177,069.76
  4. Step 4: Simplify right side
    291,822.56x = 71,298,753,740.21
  5. Step 5: Solve for x
    x = 71,298,753,740.21/291,822.56
  6. Step 6: Final answer
    x = 244,322.28

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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.