Home / 127,630.44-191,445.60-48,752.64

Finding the Fourth Proportional to 127,630.44, 191,445.60 and 48,752.64

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Solution

The fourth proportional to 127,630.44, 191,445.60 and 48,752.64 is: 73,128.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,630.44 : 191,445.60 = 48,752.64 : x
  2. Step 2: Convert to fraction form
    127,630.44/191,445.60 = 48,752.64/x
  3. Step 3: Cross multiply
    127,630.44x = 191,445.60 × 48,752.64
  4. Step 4: Simplify right side
    127,630.44x = 9,333,478,416.38
  5. Step 5: Solve for x
    x = 9,333,478,416.38/127,630.44
  6. Step 6: Final answer
    x = 73,128.94

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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.