Home / 139,914.60-193,082.40-76,252.36

Finding the Fourth Proportional to 139,914.60, 193,082.40 and 76,252.36

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Solution

The fourth proportional to 139,914.60, 193,082.40 and 76,252.36 is: 105,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,914.60 : 193,082.40 = 76,252.36 : x
  2. Step 2: Convert to fraction form
    139,914.60/193,082.40 = 76,252.36/x
  3. Step 3: Cross multiply
    139,914.60x = 193,082.40 × 76,252.36
  4. Step 4: Simplify right side
    139,914.60x = 14,722,988,674.46
  5. Step 5: Solve for x
    x = 14,722,988,674.46/139,914.60
  6. Step 6: Final answer
    x = 105,228.39

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1.5x scale

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.