Home / 211,808.09-317,816.02-93,338.30

Finding the Fourth Proportional to 211,808.09, 317,816.02 and 93,338.30

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Solution

The fourth proportional to 211,808.09, 317,816.02 and 93,338.30 is: 140,053.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,808.09 : 317,816.02 = 93,338.30 : x
  2. Step 2: Convert to fraction form
    211,808.09/317,816.02 = 93,338.30/x
  3. Step 3: Cross multiply
    211,808.09x = 317,816.02 × 93,338.30
  4. Step 4: Simplify right side
    211,808.09x = 29,664,407,019.57
  5. Step 5: Solve for x
    x = 29,664,407,019.57/211,808.09
  6. Step 6: Final answer
    x = 140,053.23

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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.