Home / 320,347.24-442,079.94-184,389.64

Finding the Fourth Proportional to 320,347.24, 442,079.94 and 184,389.64

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Solution

The fourth proportional to 320,347.24, 442,079.94 and 184,389.64 is: 254,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,347.24 : 442,079.94 = 184,389.64 : x
  2. Step 2: Convert to fraction form
    320,347.24/442,079.94 = 184,389.64/x
  3. Step 3: Cross multiply
    320,347.24x = 442,079.94 × 184,389.64
  4. Step 4: Simplify right side
    320,347.24x = 81,514,960,987.82
  5. Step 5: Solve for x
    x = 81,514,960,987.82/320,347.24
  6. Step 6: Final answer
    x = 254,458.13

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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.