Home / 139,925.22-193,100.88-76,267.14

Finding the Fourth Proportional to 139,925.22, 193,100.88 and 76,267.14

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Solution

The fourth proportional to 139,925.22, 193,100.88 and 76,267.14 is: 105,250.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,925.22 : 193,100.88 = 76,267.14 : x
  2. Step 2: Convert to fraction form
    139,925.22/193,100.88 = 76,267.14/x
  3. Step 3: Cross multiply
    139,925.22x = 193,100.88 × 76,267.14
  4. Step 4: Simplify right side
    139,925.22x = 14,727,251,849.08
  5. Step 5: Solve for x
    x = 14,727,251,849.08/139,925.22
  6. Step 6: Final answer
    x = 105,250.88

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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.