Home / 157,478.28-236,315.38-63,984.02

Finding the Fourth Proportional to 157,478.28, 236,315.38 and 63,984.02

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Solution

The fourth proportional to 157,478.28, 236,315.38 and 63,984.02 is: 96,015.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,478.28 : 236,315.38 = 63,984.02 : x
  2. Step 2: Convert to fraction form
    157,478.28/236,315.38 = 63,984.02/x
  3. Step 3: Cross multiply
    157,478.28x = 236,315.38 × 63,984.02
  4. Step 4: Simplify right side
    157,478.28x = 15,120,408,000.23
  5. Step 5: Solve for x
    x = 15,120,408,000.23/157,478.28
  6. Step 6: Final answer
    x = 96,015.83

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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.