Home / 211,732.20-317,501.10-93,342.60

Finding the Fourth Proportional to 211,732.20, 317,501.10 and 93,342.60

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Solution

The fourth proportional to 211,732.20, 317,501.10 and 93,342.60 is: 139,971.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,732.20 : 317,501.10 = 93,342.60 : x
  2. Step 2: Convert to fraction form
    211,732.20/317,501.10 = 93,342.60/x
  3. Step 3: Cross multiply
    211,732.20x = 317,501.10 × 93,342.60
  4. Step 4: Simplify right side
    211,732.20x = 29,636,378,176.86
  5. Step 5: Solve for x
    x = 29,636,378,176.86/211,732.20
  6. Step 6: Final answer
    x = 139,971.05

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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.