Home / 252,441.38-348,368.63-137,720.02

Finding the Fourth Proportional to 252,441.38, 348,368.63 and 137,720.02

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Solution

The fourth proportional to 252,441.38, 348,368.63 and 137,720.02 is: 190,053.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,441.38 : 348,368.63 = 137,720.02 : x
  2. Step 2: Convert to fraction form
    252,441.38/348,368.63 = 137,720.02/x
  3. Step 3: Cross multiply
    252,441.38x = 348,368.63 × 137,720.02
  4. Step 4: Simplify right side
    252,441.38x = 47,977,333,131.45
  5. Step 5: Solve for x
    x = 47,977,333,131.45/252,441.38
  6. Step 6: Final answer
    x = 190,053.37

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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.