Home / 211,517.19-317,358.87-93,105.51

Finding the Fourth Proportional to 211,517.19, 317,358.87 and 93,105.51

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Solution

The fourth proportional to 211,517.19, 317,358.87 and 93,105.51 is: 139,694.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,517.19 : 317,358.87 = 93,105.51 : x
  2. Step 2: Convert to fraction form
    211,517.19/317,358.87 = 93,105.51/x
  3. Step 3: Cross multiply
    211,517.19x = 317,358.87 × 93,105.51
  4. Step 4: Simplify right side
    211,517.19x = 29,547,859,444.37
  5. Step 5: Solve for x
    x = 29,547,859,444.37/211,517.19
  6. Step 6: Final answer
    x = 139,694.84

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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.