Home / 266,863.28-368,222.64-152,137.04

Finding the Fourth Proportional to 266,863.28, 368,222.64 and 152,137.04

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Solution

The fourth proportional to 266,863.28, 368,222.64 and 152,137.04 is: 209,921.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,863.28 : 368,222.64 = 152,137.04 : x
  2. Step 2: Convert to fraction form
    266,863.28/368,222.64 = 152,137.04/x
  3. Step 3: Cross multiply
    266,863.28x = 368,222.64 × 152,137.04
  4. Step 4: Simplify right side
    266,863.28x = 56,020,302,510.59
  5. Step 5: Solve for x
    x = 56,020,302,510.59/266,863.28
  6. Step 6: Final answer
    x = 209,921.36

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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.