Home / 156,769.01-216,341.85-85,150.23

Finding the Fourth Proportional to 156,769.01, 216,341.85 and 85,150.23

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Solution

The fourth proportional to 156,769.01, 216,341.85 and 85,150.23 is: 117,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,769.01 : 216,341.85 = 85,150.23 : x
  2. Step 2: Convert to fraction form
    156,769.01/216,341.85 = 85,150.23/x
  3. Step 3: Cross multiply
    156,769.01x = 216,341.85 × 85,150.23
  4. Step 4: Simplify right side
    156,769.01x = 18,421,558,286.13
  5. Step 5: Solve for x
    x = 18,421,558,286.13/156,769.01
  6. Step 6: Final answer
    x = 117,507.65

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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.