Home / 126,981.60-190,499.04-48,094.08

Finding the Fourth Proportional to 126,981.60, 190,499.04 and 48,094.08

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Solution

The fourth proportional to 126,981.60, 190,499.04 and 48,094.08 is: 72,151.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,981.60 : 190,499.04 = 48,094.08 : x
  2. Step 2: Convert to fraction form
    126,981.60/190,499.04 = 48,094.08/x
  3. Step 3: Cross multiply
    126,981.60x = 190,499.04 × 48,094.08
  4. Step 4: Simplify right side
    126,981.60x = 9,161,876,069.68
  5. Step 5: Solve for x
    x = 9,161,876,069.68/126,981.60
  6. Step 6: Final answer
    x = 72,151.21

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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.