Home / 133,423.04-184,121.02-72,993.54

Finding the Fourth Proportional to 133,423.04, 184,121.02 and 72,993.54

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Solution

The fourth proportional to 133,423.04, 184,121.02 and 72,993.54 is: 100,729.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,423.04 : 184,121.02 = 72,993.54 : x
  2. Step 2: Convert to fraction form
    133,423.04/184,121.02 = 72,993.54/x
  3. Step 3: Cross multiply
    133,423.04x = 184,121.02 × 72,993.54
  4. Step 4: Simplify right side
    133,423.04x = 13,439,645,038.21
  5. Step 5: Solve for x
    x = 13,439,645,038.21/133,423.04
  6. Step 6: Final answer
    x = 100,729.57

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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.