Home / 331,184.81-457,033.74-185,970.40

Finding the Fourth Proportional to 331,184.81, 457,033.74 and 185,970.40

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Solution

The fourth proportional to 331,184.81, 457,033.74 and 185,970.40 is: 256,638.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,184.81 : 457,033.74 = 185,970.40 : x
  2. Step 2: Convert to fraction form
    331,184.81/457,033.74 = 185,970.40/x
  3. Step 3: Cross multiply
    331,184.81x = 457,033.74 × 185,970.40
  4. Step 4: Simplify right side
    331,184.81x = 84,994,747,441.30
  5. Step 5: Solve for x
    x = 84,994,747,441.30/331,184.81
  6. Step 6: Final answer
    x = 256,638.42

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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.