Home / 154,014.97-212,534.44-86,030.86

Finding the Fourth Proportional to 154,014.97, 212,534.44 and 86,030.86

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Solution

The fourth proportional to 154,014.97, 212,534.44 and 86,030.86 is: 118,719.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,014.97 : 212,534.44 = 86,030.86 : x
  2. Step 2: Convert to fraction form
    154,014.97/212,534.44 = 86,030.86/x
  3. Step 3: Cross multiply
    154,014.97x = 212,534.44 × 86,030.86
  4. Step 4: Simplify right side
    154,014.97x = 18,284,520,652.82
  5. Step 5: Solve for x
    x = 18,284,520,652.82/154,014.97
  6. Step 6: Final answer
    x = 118,719.11

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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.