Home / 131,632.08-197,447.96-42,885.48

Finding the Fourth Proportional to 131,632.08, 197,447.96 and 42,885.48

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Solution

The fourth proportional to 131,632.08, 197,447.96 and 42,885.48 is: 64,328.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,632.08 : 197,447.96 = 42,885.48 : x
  2. Step 2: Convert to fraction form
    131,632.08/197,447.96 = 42,885.48/x
  3. Step 3: Cross multiply
    131,632.08x = 197,447.96 × 42,885.48
  4. Step 4: Simplify right side
    131,632.08x = 8,467,650,539.62
  5. Step 5: Solve for x
    x = 8,467,650,539.62/131,632.08
  6. Step 6: Final answer
    x = 64,328.17

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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.