Home / 156,883.08-216,498.65-85,263.27

Finding the Fourth Proportional to 156,883.08, 216,498.65 and 85,263.27

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Solution

The fourth proportional to 156,883.08, 216,498.65 and 85,263.27 is: 117,663.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,883.08 : 216,498.65 = 85,263.27 : x
  2. Step 2: Convert to fraction form
    156,883.08/216,498.65 = 85,263.27/x
  3. Step 3: Cross multiply
    156,883.08x = 216,498.65 × 85,263.27
  4. Step 4: Simplify right side
    156,883.08x = 18,459,382,764.56
  5. Step 5: Solve for x
    x = 18,459,382,764.56/156,883.08
  6. Step 6: Final answer
    x = 117,663.31

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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.