Home / 127,829.18-191,743.43-37,878.89

Finding the Fourth Proportional to 127,829.18, 191,743.43 and 37,878.89

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Solution

The fourth proportional to 127,829.18, 191,743.43 and 37,878.89 is: 56,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,829.18 : 191,743.43 = 37,878.89 : x
  2. Step 2: Convert to fraction form
    127,829.18/191,743.43 = 37,878.89/x
  3. Step 3: Cross multiply
    127,829.18x = 191,743.43 × 37,878.89
  4. Step 4: Simplify right side
    127,829.18x = 7,263,027,145.08
  5. Step 5: Solve for x
    x = 7,263,027,145.08/127,829.18
  6. Step 6: Final answer
    x = 56,818.23

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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.