Home / 156,995.34-216,655.02-85,376.04

Finding the Fourth Proportional to 156,995.34, 216,655.02 and 85,376.04

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Solution

The fourth proportional to 156,995.34, 216,655.02 and 85,376.04 is: 117,819.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,995.34 : 216,655.02 = 85,376.04 : x
  2. Step 2: Convert to fraction form
    156,995.34/216,655.02 = 85,376.04/x
  3. Step 3: Cross multiply
    156,995.34x = 216,655.02 × 85,376.04
  4. Step 4: Simplify right side
    156,995.34x = 18,497,147,653.72
  5. Step 5: Solve for x
    x = 18,497,147,653.72/156,995.34
  6. Step 6: Final answer
    x = 117,819.72

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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.