Home / 330,538.96-456,130.92-179,632.72

Finding the Fourth Proportional to 330,538.96, 456,130.92 and 179,632.72

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Solution

The fourth proportional to 330,538.96, 456,130.92 and 179,632.72 is: 247,886.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,538.96 : 456,130.92 = 179,632.72 : x
  2. Step 2: Convert to fraction form
    330,538.96/456,130.92 = 179,632.72/x
  3. Step 3: Cross multiply
    330,538.96x = 456,130.92 × 179,632.72
  4. Step 4: Simplify right side
    330,538.96x = 81,936,037,835.70
  5. Step 5: Solve for x
    x = 81,936,037,835.70/330,538.96
  6. Step 6: Final answer
    x = 247,886.17

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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.