Home / 320,475.82-442,207.50-184,483.48

Finding the Fourth Proportional to 320,475.82, 442,207.50 and 184,483.48

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Solution

The fourth proportional to 320,475.82, 442,207.50 and 184,483.48 is: 254,558.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,475.82 : 442,207.50 = 184,483.48 : x
  2. Step 2: Convert to fraction form
    320,475.82/442,207.50 = 184,483.48/x
  3. Step 3: Cross multiply
    320,475.82x = 442,207.50 × 184,483.48
  4. Step 4: Simplify right side
    320,475.82x = 81,579,978,482.10
  5. Step 5: Solve for x
    x = 81,579,978,482.10/320,475.82
  6. Step 6: Final answer
    x = 254,558.92

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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.