Home / 211,777.74-317,666.73-132,947.33

Finding the Fourth Proportional to 211,777.74, 317,666.73 and 132,947.33

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Solution

The fourth proportional to 211,777.74, 317,666.73 and 132,947.33 is: 199,421.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,777.74 : 317,666.73 = 132,947.33 : x
  2. Step 2: Convert to fraction form
    211,777.74/317,666.73 = 132,947.33/x
  3. Step 3: Cross multiply
    211,777.74x = 317,666.73 × 132,947.33
  4. Step 4: Simplify right side
    211,777.74x = 42,232,942,639.16
  5. Step 5: Solve for x
    x = 42,232,942,639.16/211,777.74
  6. Step 6: Final answer
    x = 199,421.06

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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.