Home / 331,515.28-457,491.14-180,612.28

Finding the Fourth Proportional to 331,515.28, 457,491.14 and 180,612.28

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Solution

The fourth proportional to 331,515.28, 457,491.14 and 180,612.28 is: 249,244.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,515.28 : 457,491.14 = 180,612.28 : x
  2. Step 2: Convert to fraction form
    331,515.28/457,491.14 = 180,612.28/x
  3. Step 3: Cross multiply
    331,515.28x = 457,491.14 × 180,612.28
  4. Step 4: Simplify right side
    331,515.28x = 82,628,517,875.20
  5. Step 5: Solve for x
    x = 82,628,517,875.20/331,515.28
  6. Step 6: Final answer
    x = 249,244.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.