Home / 127,122.42-190,684.98-38,376.66

Finding the Fourth Proportional to 127,122.42, 190,684.98 and 38,376.66

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Solution

The fourth proportional to 127,122.42, 190,684.98 and 38,376.66 is: 57,565.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,122.42 : 190,684.98 = 38,376.66 : x
  2. Step 2: Convert to fraction form
    127,122.42/190,684.98 = 38,376.66/x
  3. Step 3: Cross multiply
    127,122.42x = 190,684.98 × 38,376.66
  4. Step 4: Simplify right side
    127,122.42x = 7,317,852,644.57
  5. Step 5: Solve for x
    x = 7,317,852,644.57/127,122.42
  6. Step 6: Final answer
    x = 57,565.40

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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.