Home / 187,339.34-258,284.22-136,360.38

Finding the Fourth Proportional to 187,339.34, 258,284.22 and 136,360.38

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Solution

The fourth proportional to 187,339.34, 258,284.22 and 136,360.38 is: 187,999.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,339.34 : 258,284.22 = 136,360.38 : x
  2. Step 2: Convert to fraction form
    187,339.34/258,284.22 = 136,360.38/x
  3. Step 3: Cross multiply
    187,339.34x = 258,284.22 × 136,360.38
  4. Step 4: Simplify right side
    187,339.34x = 35,219,734,387.20
  5. Step 5: Solve for x
    x = 35,219,734,387.20/187,339.34
  6. Step 6: Final answer
    x = 187,999.67

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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.