Home / 157,984.39-236,977.04-45,673.75

Finding the Fourth Proportional to 157,984.39, 236,977.04 and 45,673.75

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Solution

The fourth proportional to 157,984.39, 236,977.04 and 45,673.75 is: 68,510.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,984.39 : 236,977.04 = 45,673.75 : x
  2. Step 2: Convert to fraction form
    157,984.39/236,977.04 = 45,673.75/x
  3. Step 3: Cross multiply
    157,984.39x = 236,977.04 × 45,673.75
  4. Step 4: Simplify right side
    157,984.39x = 10,823,630,080.70
  5. Step 5: Solve for x
    x = 10,823,630,080.70/157,984.39
  6. Step 6: Final answer
    x = 68,510.76

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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.