Home / 320,779.14-442,636.38-184,857.63

Finding the Fourth Proportional to 320,779.14, 442,636.38 and 184,857.63

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Solution

The fourth proportional to 320,779.14, 442,636.38 and 184,857.63 is: 255,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,779.14 : 442,636.38 = 184,857.63 : x
  2. Step 2: Convert to fraction form
    320,779.14/442,636.38 = 184,857.63/x
  3. Step 3: Cross multiply
    320,779.14x = 442,636.38 × 184,857.63
  4. Step 4: Simplify right side
    320,779.14x = 81,824,712,158.58
  5. Step 5: Solve for x
    x = 81,824,712,158.58/320,779.14
  6. Step 6: Final answer
    x = 255,081.15

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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.