Home / 252,387.23-348,294.63-144,978.03

Finding the Fourth Proportional to 252,387.23, 348,294.63 and 144,978.03

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Solution

The fourth proportional to 252,387.23, 348,294.63 and 144,978.03 is: 200,069.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,387.23 : 348,294.63 = 144,978.03 : x
  2. Step 2: Convert to fraction form
    252,387.23/348,294.63 = 144,978.03/x
  3. Step 3: Cross multiply
    252,387.23x = 348,294.63 × 144,978.03
  4. Step 4: Simplify right side
    252,387.23x = 50,495,069,316.98
  5. Step 5: Solve for x
    x = 50,495,069,316.98/252,387.23
  6. Step 6: Final answer
    x = 200,069.83

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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.