Home / 187,955.64-259,606.62-136,887.57

Finding the Fourth Proportional to 187,955.64, 259,606.62 and 136,887.57

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Solution

The fourth proportional to 187,955.64, 259,606.62 and 136,887.57 is: 189,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,955.64 : 259,606.62 = 136,887.57 : x
  2. Step 2: Convert to fraction form
    187,955.64/259,606.62 = 136,887.57/x
  3. Step 3: Cross multiply
    187,955.64x = 259,606.62 × 136,887.57
  4. Step 4: Simplify right side
    187,955.64x = 35,536,919,367.71
  5. Step 5: Solve for x
    x = 35,536,919,367.71/187,955.64
  6. Step 6: Final answer
    x = 189,070.78

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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.