Home / 156,630.02-216,147.62-85,010.09

Finding the Fourth Proportional to 156,630.02, 216,147.62 and 85,010.09

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Solution

The fourth proportional to 156,630.02, 216,147.62 and 85,010.09 is: 117,312.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.02 : 216,147.62 = 85,010.09 : x
  2. Step 2: Convert to fraction form
    156,630.02/216,147.62 = 85,010.09/x
  3. Step 3: Cross multiply
    156,630.02x = 216,147.62 × 85,010.09
  4. Step 4: Simplify right side
    156,630.02x = 18,374,727,761.27
  5. Step 5: Solve for x
    x = 18,374,727,761.27/156,630.02
  6. Step 6: Final answer
    x = 117,312.94

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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.