Home / 219,951.22-329,923.95-53,740.66

Finding the Fourth Proportional to 219,951.22, 329,923.95 and 53,740.66

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Solution

The fourth proportional to 219,951.22, 329,923.95 and 53,740.66 is: 80,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,951.22 : 329,923.95 = 53,740.66 : x
  2. Step 2: Convert to fraction form
    219,951.22/329,923.95 = 53,740.66/x
  3. Step 3: Cross multiply
    219,951.22x = 329,923.95 × 53,740.66
  4. Step 4: Simplify right side
    219,951.22x = 17,730,330,822.81
  5. Step 5: Solve for x
    x = 17,730,330,822.81/219,951.22
  6. Step 6: Final answer
    x = 80,610.29

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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.