Home / 191,432.57-263,893.65-122,514.42

Finding the Fourth Proportional to 191,432.57, 263,893.65 and 122,514.42

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Solution

The fourth proportional to 191,432.57, 263,893.65 and 122,514.42 is: 168,888.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,432.57 : 263,893.65 = 122,514.42 : x
  2. Step 2: Convert to fraction form
    191,432.57/263,893.65 = 122,514.42/x
  3. Step 3: Cross multiply
    191,432.57x = 263,893.65 × 122,514.42
  4. Step 4: Simplify right side
    191,432.57x = 32,330,778,001.61
  5. Step 5: Solve for x
    x = 32,330,778,001.61/191,432.57
  6. Step 6: Final answer
    x = 168,888.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.