Home / 135,045.90-202,628.24-71,851.16

Finding the Fourth Proportional to 135,045.90, 202,628.24 and 71,851.16

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Solution

The fourth proportional to 135,045.90, 202,628.24 and 71,851.16 is: 107,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,045.90 : 202,628.24 = 71,851.16 : x
  2. Step 2: Convert to fraction form
    135,045.90/202,628.24 = 71,851.16/x
  3. Step 3: Cross multiply
    135,045.90x = 202,628.24 × 71,851.16
  4. Step 4: Simplify right side
    135,045.90x = 14,559,074,092.76
  5. Step 5: Solve for x
    x = 14,559,074,092.76/135,045.90
  6. Step 6: Final answer
    x = 107,808.34

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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.