Home / 266,730.23-368,074.13-145,848.06

Finding the Fourth Proportional to 266,730.23, 368,074.13 and 145,848.06

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Solution

The fourth proportional to 266,730.23, 368,074.13 and 145,848.06 is: 201,262.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,730.23 : 368,074.13 = 145,848.06 : x
  2. Step 2: Convert to fraction form
    266,730.23/368,074.13 = 145,848.06/x
  3. Step 3: Cross multiply
    266,730.23x = 368,074.13 × 145,848.06
  4. Step 4: Simplify right side
    266,730.23x = 53,682,897,067.45
  5. Step 5: Solve for x
    x = 53,682,897,067.45/266,730.23
  6. Step 6: Final answer
    x = 201,262.89

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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.