Home / 118,266.20-177,427.55-39,381.11

Finding the Fourth Proportional to 118,266.20, 177,427.55 and 39,381.11

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Solution

The fourth proportional to 118,266.20, 177,427.55 and 39,381.11 is: 59,081.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,266.20 : 177,427.55 = 39,381.11 : x
  2. Step 2: Convert to fraction form
    118,266.20/177,427.55 = 39,381.11/x
  3. Step 3: Cross multiply
    118,266.20x = 177,427.55 × 39,381.11
  4. Step 4: Simplify right side
    118,266.20x = 6,987,293,444.89
  5. Step 5: Solve for x
    x = 6,987,293,444.89/118,266.20
  6. Step 6: Final answer
    x = 59,081.07

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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.