Home / 156,919.20-216,566.64-93,256.44

Finding the Fourth Proportional to 156,919.20, 216,566.64 and 93,256.44

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Solution

The fourth proportional to 156,919.20, 216,566.64 and 93,256.44 is: 128,704.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,919.20 : 216,566.64 = 93,256.44 : x
  2. Step 2: Convert to fraction form
    156,919.20/216,566.64 = 93,256.44/x
  3. Step 3: Cross multiply
    156,919.20x = 216,566.64 × 93,256.44
  4. Step 4: Simplify right side
    156,919.20x = 20,196,233,869.16
  5. Step 5: Solve for x
    x = 20,196,233,869.16/156,919.20
  6. Step 6: Final answer
    x = 128,704.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.