Home / 320,929.88-442,887.90-184,888.76

Finding the Fourth Proportional to 320,929.88, 442,887.90 and 184,888.76

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Solution

The fourth proportional to 320,929.88, 442,887.90 and 184,888.76 is: 255,149.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,929.88 : 442,887.90 = 184,888.76 : x
  2. Step 2: Convert to fraction form
    320,929.88/442,887.90 = 184,888.76/x
  3. Step 3: Cross multiply
    320,929.88x = 442,887.90 × 184,888.76
  4. Step 4: Simplify right side
    320,929.88x = 81,884,994,650.00
  5. Step 5: Solve for x
    x = 81,884,994,650.00/320,929.88
  6. Step 6: Final answer
    x = 255,149.18

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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.