Home / 191,011.60-263,514.36-119,342.80

Finding the Fourth Proportional to 191,011.60, 263,514.36 and 119,342.80

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Solution

The fourth proportional to 191,011.60, 263,514.36 and 119,342.80 is: 164,642.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,011.60 : 263,514.36 = 119,342.80 : x
  2. Step 2: Convert to fraction form
    191,011.60/263,514.36 = 119,342.80/x
  3. Step 3: Cross multiply
    191,011.60x = 263,514.36 × 119,342.80
  4. Step 4: Simplify right side
    191,011.60x = 31,448,541,562.61
  5. Step 5: Solve for x
    x = 31,448,541,562.61/191,011.60
  6. Step 6: Final answer
    x = 164,642.05

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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.