Home / 320,801.76-442,722.16-184,856.96

Finding the Fourth Proportional to 320,801.76, 442,722.16 and 184,856.96

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Solution

The fourth proportional to 320,801.76, 442,722.16 and 184,856.96 is: 255,111.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,801.76 : 442,722.16 = 184,856.96 : x
  2. Step 2: Convert to fraction form
    320,801.76/442,722.16 = 184,856.96/x
  3. Step 3: Cross multiply
    320,801.76x = 442,722.16 × 184,856.96
  4. Step 4: Simplify right side
    320,801.76x = 81,840,272,622.23
  5. Step 5: Solve for x
    x = 81,840,272,622.23/320,801.76
  6. Step 6: Final answer
    x = 255,111.67

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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.