Home / 156,451.08-234,676.16-135,328.31

Finding the Fourth Proportional to 156,451.08, 234,676.16 and 135,328.31

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Solution

The fourth proportional to 156,451.08, 234,676.16 and 135,328.31 is: 202,992.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,451.08 : 234,676.16 = 135,328.31 : x
  2. Step 2: Convert to fraction form
    156,451.08/234,676.16 = 135,328.31/x
  3. Step 3: Cross multiply
    156,451.08x = 234,676.16 × 135,328.31
  4. Step 4: Simplify right side
    156,451.08x = 31,758,326,280.07
  5. Step 5: Solve for x
    x = 31,758,326,280.07/156,451.08
  6. Step 6: Final answer
    x = 202,992.06

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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.