Home / 139,868.64-193,090.24-94,784.88

Finding the Fourth Proportional to 139,868.64, 193,090.24 and 94,784.88

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Solution

The fourth proportional to 139,868.64, 193,090.24 and 94,784.88 is: 130,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,868.64 : 193,090.24 = 94,784.88 : x
  2. Step 2: Convert to fraction form
    139,868.64/193,090.24 = 94,784.88/x
  3. Step 3: Cross multiply
    139,868.64x = 193,090.24 × 94,784.88
  4. Step 4: Simplify right side
    139,868.64x = 18,302,035,227.57
  5. Step 5: Solve for x
    x = 18,302,035,227.57/139,868.64
  6. Step 6: Final answer
    x = 130,851.60

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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.