Home / 219,009.08-328,514.16-61,237.28

Finding the Fourth Proportional to 219,009.08, 328,514.16 and 61,237.28

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Solution

The fourth proportional to 219,009.08, 328,514.16 and 61,237.28 is: 91,856.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,009.08 : 328,514.16 = 61,237.28 : x
  2. Step 2: Convert to fraction form
    219,009.08/328,514.16 = 61,237.28/x
  3. Step 3: Cross multiply
    219,009.08x = 328,514.16 × 61,237.28
  4. Step 4: Simplify right side
    219,009.08x = 20,117,313,599.88
  5. Step 5: Solve for x
    x = 20,117,313,599.88/219,009.08
  6. Step 6: Final answer
    x = 91,856.07

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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.