Home / 211,598.81-317,479.25-127,419.13

Finding the Fourth Proportional to 211,598.81, 317,479.25 and 127,419.13

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Solution

The fourth proportional to 211,598.81, 317,479.25 and 127,419.13 is: 191,177.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,598.81 : 317,479.25 = 127,419.13 : x
  2. Step 2: Convert to fraction form
    211,598.81/317,479.25 = 127,419.13/x
  3. Step 3: Cross multiply
    211,598.81x = 317,479.25 × 127,419.13
  4. Step 4: Simplify right side
    211,598.81x = 40,452,929,828.05
  5. Step 5: Solve for x
    x = 40,452,929,828.05/211,598.81
  6. Step 6: Final answer
    x = 191,177.49

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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.