Home / 320,331.93-442,051.47-177,088.83

Finding the Fourth Proportional to 320,331.93, 442,051.47 and 177,088.83

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Solution

The fourth proportional to 320,331.93, 442,051.47 and 177,088.83 is: 244,378.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,331.93 : 442,051.47 = 177,088.83 : x
  2. Step 2: Convert to fraction form
    320,331.93/442,051.47 = 177,088.83/x
  3. Step 3: Cross multiply
    320,331.93x = 442,051.47 × 177,088.83
  4. Step 4: Simplify right side
    320,331.93x = 78,282,377,622.08
  5. Step 5: Solve for x
    x = 78,282,377,622.08/320,331.93
  6. Step 6: Final answer
    x = 244,378.94

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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.