Home / 320,903.32-481,366.14-152,336.80

Finding the Fourth Proportional to 320,903.32, 481,366.14 and 152,336.80

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Solution

The fourth proportional to 320,903.32, 481,366.14 and 152,336.80 is: 228,510.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,903.32 : 481,366.14 = 152,336.80 : x
  2. Step 2: Convert to fraction form
    320,903.32/481,366.14 = 152,336.80/x
  3. Step 3: Cross multiply
    320,903.32x = 481,366.14 × 152,336.80
  4. Step 4: Simplify right side
    320,903.32x = 73,329,777,395.95
  5. Step 5: Solve for x
    x = 73,329,777,395.95/320,903.32
  6. Step 6: Final answer
    x = 228,510.50

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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.