Home / 127,314.59-190,838.84-71,072.24

Finding the Fourth Proportional to 127,314.59, 190,838.84 and 71,072.24

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Solution

The fourth proportional to 127,314.59, 190,838.84 and 71,072.24 is: 106,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,314.59 : 190,838.84 = 71,072.24 : x
  2. Step 2: Convert to fraction form
    127,314.59/190,838.84 = 71,072.24/x
  3. Step 3: Cross multiply
    127,314.59x = 190,838.84 × 71,072.24
  4. Step 4: Simplify right side
    127,314.59x = 13,563,342,528.25
  5. Step 5: Solve for x
    x = 13,563,342,528.25/127,314.59
  6. Step 6: Final answer
    x = 106,534.08

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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.