Home / 266,965.94-368,430.10-153,786.74

Finding the Fourth Proportional to 266,965.94, 368,430.10 and 153,786.74

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Solution

The fourth proportional to 266,965.94, 368,430.10 and 153,786.74 is: 212,235.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,965.94 : 368,430.10 = 153,786.74 : x
  2. Step 2: Convert to fraction form
    266,965.94/368,430.10 = 153,786.74/x
  3. Step 3: Cross multiply
    266,965.94x = 368,430.10 × 153,786.74
  4. Step 4: Simplify right side
    266,965.94x = 56,659,663,996.87
  5. Step 5: Solve for x
    x = 56,659,663,996.87/266,965.94
  6. Step 6: Final answer
    x = 212,235.55

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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.