Home / 156,011.05-234,023.06-129,899.89

Finding the Fourth Proportional to 156,011.05, 234,023.06 and 129,899.89

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Solution

The fourth proportional to 156,011.05, 234,023.06 and 129,899.89 is: 194,855.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,011.05 : 234,023.06 = 129,899.89 : x
  2. Step 2: Convert to fraction form
    156,011.05/234,023.06 = 129,899.89/x
  3. Step 3: Cross multiply
    156,011.05x = 234,023.06 × 129,899.89
  4. Step 4: Simplify right side
    156,011.05x = 30,399,569,751.46
  5. Step 5: Solve for x
    x = 30,399,569,751.46/156,011.05
  6. Step 6: Final answer
    x = 194,855.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.