Home / 157,633.20-236,478.60-64,148.40

Finding the Fourth Proportional to 157,633.20, 236,478.60 and 64,148.40

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Solution

The fourth proportional to 157,633.20, 236,478.60 and 64,148.40 is: 96,234.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,633.20 : 236,478.60 = 64,148.40 : x
  2. Step 2: Convert to fraction form
    157,633.20/236,478.60 = 64,148.40/x
  3. Step 3: Cross multiply
    157,633.20x = 236,478.60 × 64,148.40
  4. Step 4: Simplify right side
    157,633.20x = 15,169,723,824.24
  5. Step 5: Solve for x
    x = 15,169,723,824.24/157,633.20
  6. Step 6: Final answer
    x = 96,234.32

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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.