Home / 152,416.68-228,588.30-45,778.20

Finding the Fourth Proportional to 152,416.68, 228,588.30 and 45,778.20

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Solution

The fourth proportional to 152,416.68, 228,588.30 and 45,778.20 is: 68,656.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,416.68 : 228,588.30 = 45,778.20 : x
  2. Step 2: Convert to fraction form
    152,416.68/228,588.30 = 45,778.20/x
  3. Step 3: Cross multiply
    152,416.68x = 228,588.30 × 45,778.20
  4. Step 4: Simplify right side
    152,416.68x = 10,464,360,915.06
  5. Step 5: Solve for x
    x = 10,464,360,915.06/152,416.68
  6. Step 6: Final answer
    x = 68,656.27

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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.