Home / 156,630.51-216,150.27-85,010.57

Finding the Fourth Proportional to 156,630.51, 216,150.27 and 85,010.57

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Solution

The fourth proportional to 156,630.51, 216,150.27 and 85,010.57 is: 117,314.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,630.51 : 216,150.27 = 85,010.57 : x
  2. Step 2: Convert to fraction form
    156,630.51/216,150.27 = 85,010.57/x
  3. Step 3: Cross multiply
    156,630.51x = 216,150.27 × 85,010.57
  4. Step 4: Simplify right side
    156,630.51x = 18,375,056,577.60
  5. Step 5: Solve for x
    x = 18,375,056,577.60/156,630.51
  6. Step 6: Final answer
    x = 117,314.67

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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.