Home / 134,536.34-185,460.84-86,131.35

Finding the Fourth Proportional to 134,536.34, 185,460.84 and 86,131.35

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Solution

The fourth proportional to 134,536.34, 185,460.84 and 86,131.35 is: 118,733.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,536.34 : 185,460.84 = 86,131.35 : x
  2. Step 2: Convert to fraction form
    134,536.34/185,460.84 = 86,131.35/x
  3. Step 3: Cross multiply
    134,536.34x = 185,460.84 × 86,131.35
  4. Step 4: Simplify right side
    134,536.34x = 15,973,992,521.33
  5. Step 5: Solve for x
    x = 15,973,992,521.33/134,536.34
  6. Step 6: Final answer
    x = 118,733.66

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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.