Home / 156,568.95-216,244.62-103,093.02

Finding the Fourth Proportional to 156,568.95, 216,244.62 and 103,093.02

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Solution

The fourth proportional to 156,568.95, 216,244.62 and 103,093.02 is: 142,386.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,568.95 : 216,244.62 = 103,093.02 : x
  2. Step 2: Convert to fraction form
    156,568.95/216,244.62 = 103,093.02/x
  3. Step 3: Cross multiply
    156,568.95x = 216,244.62 × 103,093.02
  4. Step 4: Simplify right side
    156,568.95x = 22,293,310,934.55
  5. Step 5: Solve for x
    x = 22,293,310,934.55/156,568.95
  6. Step 6: Final answer
    x = 142,386.54

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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.