Home / 127,079.47-190,563.82-42,823.93

Finding the Fourth Proportional to 127,079.47, 190,563.82 and 42,823.93

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Solution

The fourth proportional to 127,079.47, 190,563.82 and 42,823.93 is: 64,217.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,079.47 : 190,563.82 = 42,823.93 : x
  2. Step 2: Convert to fraction form
    127,079.47/190,563.82 = 42,823.93/x
  3. Step 3: Cross multiply
    127,079.47x = 190,563.82 × 42,823.93
  4. Step 4: Simplify right side
    127,079.47x = 8,160,690,521.27
  5. Step 5: Solve for x
    x = 8,160,690,521.27/127,079.47
  6. Step 6: Final answer
    x = 64,217.22

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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.