Home / 115,200.45-172,824.98-48,606.30

Finding the Fourth Proportional to 115,200.45, 172,824.98 and 48,606.30

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Solution

The fourth proportional to 115,200.45, 172,824.98 and 48,606.30 is: 72,919.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,200.45 : 172,824.98 = 48,606.30 : x
  2. Step 2: Convert to fraction form
    115,200.45/172,824.98 = 48,606.30/x
  3. Step 3: Cross multiply
    115,200.45x = 172,824.98 × 48,606.30
  4. Step 4: Simplify right side
    115,200.45x = 8,400,382,582.34
  5. Step 5: Solve for x
    x = 8,400,382,582.34/115,200.45
  6. Step 6: Final answer
    x = 72,919.70

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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.