Home / 193,152.72-289,658.04-66,761.04

Finding the Fourth Proportional to 193,152.72, 289,658.04 and 66,761.04

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Solution

The fourth proportional to 193,152.72, 289,658.04 and 66,761.04 is: 100,117.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,152.72 : 289,658.04 = 66,761.04 : x
  2. Step 2: Convert to fraction form
    193,152.72/289,658.04 = 66,761.04/x
  3. Step 3: Cross multiply
    193,152.72x = 289,658.04 × 66,761.04
  4. Step 4: Simplify right side
    193,152.72x = 19,337,871,994.76
  5. Step 5: Solve for x
    x = 19,337,871,994.76/193,152.72
  6. Step 6: Final answer
    x = 100,117.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.