Home / 139,196.11-192,091.13-75,533.89

Finding the Fourth Proportional to 139,196.11, 192,091.13 and 75,533.89

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Solution

The fourth proportional to 139,196.11, 192,091.13 and 75,533.89 is: 104,237.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,196.11 : 192,091.13 = 75,533.89 : x
  2. Step 2: Convert to fraction form
    139,196.11/192,091.13 = 75,533.89/x
  3. Step 3: Cross multiply
    139,196.11x = 192,091.13 × 75,533.89
  4. Step 4: Simplify right side
    139,196.11x = 14,509,390,283.40
  5. Step 5: Solve for x
    x = 14,509,390,283.40/139,196.11
  6. Step 6: Final answer
    x = 104,237.04

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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.