Home / 140,541.48-210,826.08-51,774.12

Finding the Fourth Proportional to 140,541.48, 210,826.08 and 51,774.12

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Solution

The fourth proportional to 140,541.48, 210,826.08 and 51,774.12 is: 77,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,541.48 : 210,826.08 = 51,774.12 : x
  2. Step 2: Convert to fraction form
    140,541.48/210,826.08 = 51,774.12/x
  3. Step 3: Cross multiply
    140,541.48x = 210,826.08 × 51,774.12
  4. Step 4: Simplify right side
    140,541.48x = 10,915,334,765.05
  5. Step 5: Solve for x
    x = 10,915,334,765.05/140,541.48
  6. Step 6: Final answer
    x = 77,666.29

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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.