Home / 156,767.26-216,340.38-85,148.68

Finding the Fourth Proportional to 156,767.26, 216,340.38 and 85,148.68

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Solution

The fourth proportional to 156,767.26, 216,340.38 and 85,148.68 is: 117,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,767.26 : 216,340.38 = 85,148.68 : x
  2. Step 2: Convert to fraction form
    156,767.26/216,340.38 = 85,148.68/x
  3. Step 3: Cross multiply
    156,767.26x = 216,340.38 × 85,148.68
  4. Step 4: Simplify right side
    156,767.26x = 18,421,097,787.70
  5. Step 5: Solve for x
    x = 18,421,097,787.70/156,767.26
  6. Step 6: Final answer
    x = 117,506.03

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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.