Home / 320,631.98-442,433.23-184,709.93

Finding the Fourth Proportional to 320,631.98, 442,433.23 and 184,709.93

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Solution

The fourth proportional to 320,631.98, 442,433.23 and 184,709.93 is: 254,877.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,631.98 : 442,433.23 = 184,709.93 : x
  2. Step 2: Convert to fraction form
    320,631.98/442,433.23 = 184,709.93/x
  3. Step 3: Cross multiply
    320,631.98x = 442,433.23 × 184,709.93
  4. Step 4: Simplify right side
    320,631.98x = 81,721,808,269.03
  5. Step 5: Solve for x
    x = 81,721,808,269.03/320,631.98
  6. Step 6: Final answer
    x = 254,877.29

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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.