Home / 320,646.18-442,384.28-184,677.41

Finding the Fourth Proportional to 320,646.18, 442,384.28 and 184,677.41

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Solution

The fourth proportional to 320,646.18, 442,384.28 and 184,677.41 is: 254,792.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,646.18 : 442,384.28 = 184,677.41 : x
  2. Step 2: Convert to fraction form
    320,646.18/442,384.28 = 184,677.41/x
  3. Step 3: Cross multiply
    320,646.18x = 442,384.28 × 184,677.41
  4. Step 4: Simplify right side
    320,646.18x = 81,698,379,919.81
  5. Step 5: Solve for x
    x = 81,698,379,919.81/320,646.18
  6. Step 6: Final answer
    x = 254,792.93

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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.