Home / 156,701.40-235,089.90-51,514.80

Finding the Fourth Proportional to 156,701.40, 235,089.90 and 51,514.80

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Solution

The fourth proportional to 156,701.40, 235,089.90 and 51,514.80 is: 77,284.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,701.40 : 235,089.90 = 51,514.80 : x
  2. Step 2: Convert to fraction form
    156,701.40/235,089.90 = 51,514.80/x
  3. Step 3: Cross multiply
    156,701.40x = 235,089.90 × 51,514.80
  4. Step 4: Simplify right side
    156,701.40x = 12,110,609,180.52
  5. Step 5: Solve for x
    x = 12,110,609,180.52/156,701.40
  6. Step 6: Final answer
    x = 77,284.63

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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.