Home / 156,820.68-216,396.93-88,824.12

Finding the Fourth Proportional to 156,820.68, 216,396.93 and 88,824.12

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Solution

The fourth proportional to 156,820.68, 216,396.93 and 88,824.12 is: 122,568.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,820.68 : 216,396.93 = 88,824.12 : x
  2. Step 2: Convert to fraction form
    156,820.68/216,396.93 = 88,824.12/x
  3. Step 3: Cross multiply
    156,820.68x = 216,396.93 × 88,824.12
  4. Step 4: Simplify right side
    156,820.68x = 19,221,266,877.95
  5. Step 5: Solve for x
    x = 19,221,266,877.95/156,820.68
  6. Step 6: Final answer
    x = 122,568.44

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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.