Home / 156,691.90-235,037.85-51,514.30

Finding the Fourth Proportional to 156,691.90, 235,037.85 and 51,514.30

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Solution

The fourth proportional to 156,691.90, 235,037.85 and 51,514.30 is: 77,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,691.90 : 235,037.85 = 51,514.30 : x
  2. Step 2: Convert to fraction form
    156,691.90/235,037.85 = 51,514.30/x
  3. Step 3: Cross multiply
    156,691.90x = 235,037.85 × 51,514.30
  4. Step 4: Simplify right side
    156,691.90x = 12,107,810,316.26
  5. Step 5: Solve for x
    x = 12,107,810,316.26/156,691.90
  6. Step 6: Final answer
    x = 77,271.45

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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.