Home / 156,901.69-216,628.60-120,538.37

Finding the Fourth Proportional to 156,901.69, 216,628.60 and 120,538.37

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Solution

The fourth proportional to 156,901.69, 216,628.60 and 120,538.37 is: 166,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,901.69 : 216,628.60 = 120,538.37 : x
  2. Step 2: Convert to fraction form
    156,901.69/216,628.60 = 120,538.37/x
  3. Step 3: Cross multiply
    156,901.69x = 216,628.60 × 120,538.37
  4. Step 4: Simplify right side
    156,901.69x = 26,112,057,195.12
  5. Step 5: Solve for x
    x = 26,112,057,195.12/156,901.69
  6. Step 6: Final answer
    x = 166,423.05

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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.