Home / 139,837.60-193,047.42-94,753.84

Finding the Fourth Proportional to 139,837.60, 193,047.42 and 94,753.84

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Solution

The fourth proportional to 139,837.60, 193,047.42 and 94,753.84 is: 130,808.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,837.60 : 193,047.42 = 94,753.84 : x
  2. Step 2: Convert to fraction form
    139,837.60/193,047.42 = 94,753.84/x
  3. Step 3: Cross multiply
    139,837.60x = 193,047.42 × 94,753.84
  4. Step 4: Simplify right side
    139,837.60x = 18,291,984,347.09
  5. Step 5: Solve for x
    x = 18,291,984,347.09/139,837.60
  6. Step 6: Final answer
    x = 130,808.77

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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.