Home / 320,810.04-442,816.47-184,934.84

Finding the Fourth Proportional to 320,810.04, 442,816.47 and 184,934.84

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Solution

The fourth proportional to 320,810.04, 442,816.47 and 184,934.84 is: 255,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,810.04 : 442,816.47 = 184,934.84 : x
  2. Step 2: Convert to fraction form
    320,810.04/442,816.47 = 184,934.84/x
  3. Step 3: Cross multiply
    320,810.04x = 442,816.47 × 184,934.84
  4. Step 4: Simplify right side
    320,810.04x = 81,892,190,814.73
  5. Step 5: Solve for x
    x = 81,892,190,814.73/320,810.04
  6. Step 6: Final answer
    x = 255,266.92

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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.