Home / 139,869.16-193,090.92-94,785.36

Finding the Fourth Proportional to 139,869.16, 193,090.92 and 94,785.36

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Solution

The fourth proportional to 139,869.16, 193,090.92 and 94,785.36 is: 130,852.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,869.16 : 193,090.92 = 94,785.36 : x
  2. Step 2: Convert to fraction form
    139,869.16/193,090.92 = 94,785.36/x
  3. Step 3: Cross multiply
    139,869.16x = 193,090.92 × 94,785.36
  4. Step 4: Simplify right side
    139,869.16x = 18,302,192,364.93
  5. Step 5: Solve for x
    x = 18,302,192,364.93/139,869.16
  6. Step 6: Final answer
    x = 130,852.24

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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.