Home / 127,582.20-191,027.70-99,934.20

Finding the Fourth Proportional to 127,582.20, 191,027.70 and 99,934.20

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Solution

The fourth proportional to 127,582.20, 191,027.70 and 99,934.20 is: 149,630.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,582.20 : 191,027.70 = 99,934.20 : x
  2. Step 2: Convert to fraction form
    127,582.20/191,027.70 = 99,934.20/x
  3. Step 3: Cross multiply
    127,582.20x = 191,027.70 × 99,934.20
  4. Step 4: Simplify right side
    127,582.20x = 19,090,200,377.34
  5. Step 5: Solve for x
    x = 19,090,200,377.34/127,582.20
  6. Step 6: Final answer
    x = 149,630.59

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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.