Home / 211,733.20-317,502.60-93,343.60

Finding the Fourth Proportional to 211,733.20, 317,502.60 and 93,343.60

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Solution

The fourth proportional to 211,733.20, 317,502.60 and 93,343.60 is: 139,972.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,733.20 : 317,502.60 = 93,343.60 : x
  2. Step 2: Convert to fraction form
    211,733.20/317,502.60 = 93,343.60/x
  3. Step 3: Cross multiply
    211,733.20x = 317,502.60 × 93,343.60
  4. Step 4: Simplify right side
    211,733.20x = 29,636,835,693.36
  5. Step 5: Solve for x
    x = 29,636,835,693.36/211,733.20
  6. Step 6: Final answer
    x = 139,972.55

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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.