Home / 165,017.24-247,486.24-76,185.40

Finding the Fourth Proportional to 165,017.24, 247,486.24 and 76,185.40

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Solution

The fourth proportional to 165,017.24, 247,486.24 and 76,185.40 is: 114,259.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,017.24 : 247,486.24 = 76,185.40 : x
  2. Step 2: Convert to fraction form
    165,017.24/247,486.24 = 76,185.40/x
  3. Step 3: Cross multiply
    165,017.24x = 247,486.24 × 76,185.40
  4. Step 4: Simplify right side
    165,017.24x = 18,854,838,188.90
  5. Step 5: Solve for x
    x = 18,854,838,188.90/165,017.24
  6. Step 6: Final answer
    x = 114,259.81

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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.