Home / 156,764.76-216,336.93-85,146.18

Finding the Fourth Proportional to 156,764.76, 216,336.93 and 85,146.18

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Solution

The fourth proportional to 156,764.76, 216,336.93 and 85,146.18 is: 117,502.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,764.76 : 216,336.93 = 85,146.18 : x
  2. Step 2: Convert to fraction form
    156,764.76/216,336.93 = 85,146.18/x
  3. Step 3: Cross multiply
    156,764.76x = 216,336.93 × 85,146.18
  4. Step 4: Simplify right side
    156,764.76x = 18,420,263,182.43
  5. Step 5: Solve for x
    x = 18,420,263,182.43/156,764.76
  6. Step 6: Final answer
    x = 117,502.58

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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.