Home / 156,618.15-234,927.23-56,781.60

Finding the Fourth Proportional to 156,618.15, 234,927.23 and 56,781.60

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Solution

The fourth proportional to 156,618.15, 234,927.23 and 56,781.60 is: 85,172.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,618.15 : 234,927.23 = 56,781.60 : x
  2. Step 2: Convert to fraction form
    156,618.15/234,927.23 = 56,781.60/x
  3. Step 3: Cross multiply
    156,618.15x = 234,927.23 × 56,781.60
  4. Step 4: Simplify right side
    156,618.15x = 13,339,543,719.06
  5. Step 5: Solve for x
    x = 13,339,543,719.06/156,618.15
  6. Step 6: Final answer
    x = 85,172.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.