Home / 320,099.12-441,724.88-176,856.08

Finding the Fourth Proportional to 320,099.12, 441,724.88 and 176,856.08

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Solution

The fourth proportional to 320,099.12, 441,724.88 and 176,856.08 is: 244,054.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,099.12 : 441,724.88 = 176,856.08 : x
  2. Step 2: Convert to fraction form
    320,099.12/441,724.88 = 176,856.08/x
  3. Step 3: Cross multiply
    320,099.12x = 441,724.88 × 176,856.08
  4. Step 4: Simplify right side
    320,099.12x = 78,121,730,715.27
  5. Step 5: Solve for x
    x = 78,121,730,715.27/320,099.12
  6. Step 6: Final answer
    x = 244,054.81

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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.