Home / 156,129.36-234,167.40-56,269.68

Finding the Fourth Proportional to 156,129.36, 234,167.40 and 56,269.68

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Solution

The fourth proportional to 156,129.36, 234,167.40 and 56,269.68 is: 84,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,129.36 : 234,167.40 = 56,269.68 : x
  2. Step 2: Convert to fraction form
    156,129.36/234,167.40 = 56,269.68/x
  3. Step 3: Cross multiply
    156,129.36x = 234,167.40 × 56,269.68
  4. Step 4: Simplify right side
    156,129.36x = 13,176,524,664.43
  5. Step 5: Solve for x
    x = 13,176,524,664.43/156,129.36
  6. Step 6: Final answer
    x = 84,394.92

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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.