Home / 217,779.60-326,514.96-84,547.56

Finding the Fourth Proportional to 217,779.60, 326,514.96 and 84,547.56

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Solution

The fourth proportional to 217,779.60, 326,514.96 and 84,547.56 is: 126,761.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,779.60 : 326,514.96 = 84,547.56 : x
  2. Step 2: Convert to fraction form
    217,779.60/326,514.96 = 84,547.56/x
  3. Step 3: Cross multiply
    217,779.60x = 326,514.96 × 84,547.56
  4. Step 4: Simplify right side
    217,779.60x = 27,606,043,171.50
  5. Step 5: Solve for x
    x = 27,606,043,171.50/217,779.60
  6. Step 6: Final answer
    x = 126,761.38

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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.