Home / 118,406.88-177,638.33-38,444.69

Finding the Fourth Proportional to 118,406.88, 177,638.33 and 38,444.69

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Solution

The fourth proportional to 118,406.88, 177,638.33 and 38,444.69 is: 57,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,406.88 : 177,638.33 = 38,444.69 : x
  2. Step 2: Convert to fraction form
    118,406.88/177,638.33 = 38,444.69/x
  3. Step 3: Cross multiply
    118,406.88x = 177,638.33 × 38,444.69
  4. Step 4: Simplify right side
    118,406.88x = 6,829,250,528.97
  5. Step 5: Solve for x
    x = 6,829,250,528.97/118,406.88
  6. Step 6: Final answer
    x = 57,676.13

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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.