Home / 127,505.16-175,852.44-113,175.45

Finding the Fourth Proportional to 127,505.16, 175,852.44 and 113,175.45

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Solution

The fourth proportional to 127,505.16, 175,852.44 and 113,175.45 is: 156,089.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,505.16 : 175,852.44 = 113,175.45 : x
  2. Step 2: Convert to fraction form
    127,505.16/175,852.44 = 113,175.45/x
  3. Step 3: Cross multiply
    127,505.16x = 175,852.44 × 113,175.45
  4. Step 4: Simplify right side
    127,505.16x = 19,902,179,030.60
  5. Step 5: Solve for x
    x = 19,902,179,030.60/127,505.16
  6. Step 6: Final answer
    x = 156,089.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.