Home / 320,304.76-442,018.10-184,365.40

Finding the Fourth Proportional to 320,304.76, 442,018.10 and 184,365.40

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Solution

The fourth proportional to 320,304.76, 442,018.10 and 184,365.40 is: 254,422.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,304.76 : 442,018.10 = 184,365.40 : x
  2. Step 2: Convert to fraction form
    320,304.76/442,018.10 = 184,365.40/x
  3. Step 3: Cross multiply
    320,304.76x = 442,018.10 × 184,365.40
  4. Step 4: Simplify right side
    320,304.76x = 81,492,843,813.74
  5. Step 5: Solve for x
    x = 81,492,843,813.74/320,304.76
  6. Step 6: Final answer
    x = 254,422.83

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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.