Home / 102,561.60-153,727.20-52,622.40

Finding the Fourth Proportional to 102,561.60, 153,727.20 and 52,622.40

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Solution

The fourth proportional to 102,561.60, 153,727.20 and 52,622.40 is: 78,874.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,561.60 : 153,727.20 = 52,622.40 : x
  2. Step 2: Convert to fraction form
    102,561.60/153,727.20 = 52,622.40/x
  3. Step 3: Cross multiply
    102,561.60x = 153,727.20 × 52,622.40
  4. Step 4: Simplify right side
    102,561.60x = 8,089,494,209.28
  5. Step 5: Solve for x
    x = 8,089,494,209.28/102,561.60
  6. Step 6: Final answer
    x = 78,874.49

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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.