Home / 320,867.98-442,844.14-184,875.86

Finding the Fourth Proportional to 320,867.98, 442,844.14 and 184,875.86

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Solution

The fourth proportional to 320,867.98, 442,844.14 and 184,875.86 is: 255,155.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,867.98 : 442,844.14 = 184,875.86 : x
  2. Step 2: Convert to fraction form
    320,867.98/442,844.14 = 184,875.86/x
  3. Step 3: Cross multiply
    320,867.98x = 442,844.14 × 184,875.86
  4. Step 4: Simplify right side
    320,867.98x = 81,871,191,228.46
  5. Step 5: Solve for x
    x = 81,871,191,228.46/320,867.98
  6. Step 6: Final answer
    x = 255,155.38

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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.