Home / 187,910.42-258,968.67-133,465.05

Finding the Fourth Proportional to 187,910.42, 258,968.67 and 133,465.05

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Solution

The fourth proportional to 187,910.42, 258,968.67 and 133,465.05 is: 183,934.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,910.42 : 258,968.67 = 133,465.05 : x
  2. Step 2: Convert to fraction form
    187,910.42/258,968.67 = 133,465.05/x
  3. Step 3: Cross multiply
    187,910.42x = 258,968.67 × 133,465.05
  4. Step 4: Simplify right side
    187,910.42x = 34,563,266,489.98
  5. Step 5: Solve for x
    x = 34,563,266,489.98/187,910.42
  6. Step 6: Final answer
    x = 183,934.81

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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.