Home / 286,069.08-394,779.66-158,752.92

Finding the Fourth Proportional to 286,069.08, 394,779.66 and 158,752.92

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Solution

The fourth proportional to 286,069.08, 394,779.66 and 158,752.92 is: 219,081.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,069.08 : 394,779.66 = 158,752.92 : x
  2. Step 2: Convert to fraction form
    286,069.08/394,779.66 = 158,752.92/x
  3. Step 3: Cross multiply
    286,069.08x = 394,779.66 × 158,752.92
  4. Step 4: Simplify right side
    286,069.08x = 62,672,423,781.61
  5. Step 5: Solve for x
    x = 62,672,423,781.61/286,069.08
  6. Step 6: Final answer
    x = 219,081.43

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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.