Home / 156,920.20-216,568.02-93,257.44

Finding the Fourth Proportional to 156,920.20, 216,568.02 and 93,257.44

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Solution

The fourth proportional to 156,920.20, 216,568.02 and 93,257.44 is: 128,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,920.20 : 216,568.02 = 93,257.44 : x
  2. Step 2: Convert to fraction form
    156,920.20/216,568.02 = 93,257.44/x
  3. Step 3: Cross multiply
    156,920.20x = 216,568.02 × 93,257.44
  4. Step 4: Simplify right side
    156,920.20x = 20,196,579,131.07
  5. Step 5: Solve for x
    x = 20,196,579,131.07/156,920.20
  6. Step 6: Final answer
    x = 128,706.05

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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.