Home / 133,176.85-183,776.07-72,735.46

Finding the Fourth Proportional to 133,176.85, 183,776.07 and 72,735.46

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Solution

The fourth proportional to 133,176.85, 183,776.07 and 72,735.46 is: 100,370.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,176.85 : 183,776.07 = 72,735.46 : x
  2. Step 2: Convert to fraction form
    133,176.85/183,776.07 = 72,735.46/x
  3. Step 3: Cross multiply
    133,176.85x = 183,776.07 × 72,735.46
  4. Step 4: Simplify right side
    133,176.85x = 13,367,036,988.44
  5. Step 5: Solve for x
    x = 13,367,036,988.44/133,176.85
  6. Step 6: Final answer
    x = 100,370.57

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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.