Home / 187,157.18-258,322.90-156,894.56

Finding the Fourth Proportional to 187,157.18, 258,322.90 and 156,894.56

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Solution

The fourth proportional to 187,157.18, 258,322.90 and 156,894.56 is: 216,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,157.18 : 258,322.90 = 156,894.56 : x
  2. Step 2: Convert to fraction form
    187,157.18/258,322.90 = 156,894.56/x
  3. Step 3: Cross multiply
    187,157.18x = 258,322.90 × 156,894.56
  4. Step 4: Simplify right side
    187,157.18x = 40,529,457,733.42
  5. Step 5: Solve for x
    x = 40,529,457,733.42/187,157.18
  6. Step 6: Final answer
    x = 216,553.05

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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.