Home / 126,731.16-190,096.74-42,484.68

Finding the Fourth Proportional to 126,731.16, 190,096.74 and 42,484.68

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Solution

The fourth proportional to 126,731.16, 190,096.74 and 42,484.68 is: 63,727.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,731.16 : 190,096.74 = 42,484.68 : x
  2. Step 2: Convert to fraction form
    126,731.16/190,096.74 = 42,484.68/x
  3. Step 3: Cross multiply
    126,731.16x = 190,096.74 × 42,484.68
  4. Step 4: Simplify right side
    126,731.16x = 8,076,199,167.94
  5. Step 5: Solve for x
    x = 8,076,199,167.94/126,731.16
  6. Step 6: Final answer
    x = 63,727.02

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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.