Home / 258,624.95-356,832.69-151,221.38

Finding the Fourth Proportional to 258,624.95, 356,832.69 and 151,221.38

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Solution

The fourth proportional to 258,624.95, 356,832.69 and 151,221.38 is: 208,644.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,624.95 : 356,832.69 = 151,221.38 : x
  2. Step 2: Convert to fraction form
    258,624.95/356,832.69 = 151,221.38/x
  3. Step 3: Cross multiply
    258,624.95x = 356,832.69 × 151,221.38
  4. Step 4: Simplify right side
    258,624.95x = 53,960,731,810.91
  5. Step 5: Solve for x
    x = 53,960,731,810.91/258,624.95
  6. Step 6: Final answer
    x = 208,644.73

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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.