Home / 219,746.60-329,619.90-193,502.60

Finding the Fourth Proportional to 219,746.60, 329,619.90 and 193,502.60

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Solution

The fourth proportional to 219,746.60, 329,619.90 and 193,502.60 is: 290,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,746.60 : 329,619.90 = 193,502.60 : x
  2. Step 2: Convert to fraction form
    219,746.60/329,619.90 = 193,502.60/x
  3. Step 3: Cross multiply
    219,746.60x = 329,619.90 × 193,502.60
  4. Step 4: Simplify right side
    219,746.60x = 63,782,307,661.74
  5. Step 5: Solve for x
    x = 63,782,307,661.74/219,746.60
  6. Step 6: Final answer
    x = 290,253.90

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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.