Home / 282,514.08-423,829.44-82,840.80

Finding the Fourth Proportional to 282,514.08, 423,829.44 and 82,840.80

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Solution

The fourth proportional to 282,514.08, 423,829.44 and 82,840.80 is: 124,278.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,514.08 : 423,829.44 = 82,840.80 : x
  2. Step 2: Convert to fraction form
    282,514.08/423,829.44 = 82,840.80/x
  3. Step 3: Cross multiply
    282,514.08x = 423,829.44 × 82,840.80
  4. Step 4: Simplify right side
    282,514.08x = 35,110,369,873.15
  5. Step 5: Solve for x
    x = 35,110,369,873.15/282,514.08
  6. Step 6: Final answer
    x = 124,278.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.