Home / 156,889.08-216,508.35-85,269.27

Finding the Fourth Proportional to 156,889.08, 216,508.35 and 85,269.27

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Solution

The fourth proportional to 156,889.08, 216,508.35 and 85,269.27 is: 117,672.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,889.08 : 216,508.35 = 85,269.27 : x
  2. Step 2: Convert to fraction form
    156,889.08/216,508.35 = 85,269.27/x
  3. Step 3: Cross multiply
    156,889.08x = 216,508.35 × 85,269.27
  4. Step 4: Simplify right side
    156,889.08x = 18,461,508,953.40
  5. Step 5: Solve for x
    x = 18,461,508,953.40/156,889.08
  6. Step 6: Final answer
    x = 117,672.36

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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.