Home / 156,967.08-216,608.60-85,347.16

Finding the Fourth Proportional to 156,967.08, 216,608.60 and 85,347.16

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Solution

The fourth proportional to 156,967.08, 216,608.60 and 85,347.16 is: 117,775.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,967.08 : 216,608.60 = 85,347.16 : x
  2. Step 2: Convert to fraction form
    156,967.08/216,608.60 = 85,347.16/x
  3. Step 3: Cross multiply
    156,967.08x = 216,608.60 × 85,347.16
  4. Step 4: Simplify right side
    156,967.08x = 18,486,928,841.58
  5. Step 5: Solve for x
    x = 18,486,928,841.58/156,967.08
  6. Step 6: Final answer
    x = 117,775.83

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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.