Home / 266,945.04-368,348.58-153,745.92

Finding the Fourth Proportional to 266,945.04, 368,348.58 and 153,745.92

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Solution

The fourth proportional to 266,945.04, 368,348.58 and 153,745.92 is: 212,148.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,945.04 : 368,348.58 = 153,745.92 : x
  2. Step 2: Convert to fraction form
    266,945.04/368,348.58 = 153,745.92/x
  3. Step 3: Cross multiply
    266,945.04x = 368,348.58 × 153,745.92
  4. Step 4: Simplify right side
    266,945.04x = 56,632,091,312.79
  5. Step 5: Solve for x
    x = 56,632,091,312.79/266,945.04
  6. Step 6: Final answer
    x = 212,148.88

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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.