Home / 132,137.15-182,349.38-71,707.79

Finding the Fourth Proportional to 132,137.15, 182,349.38 and 71,707.79

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Solution

The fourth proportional to 132,137.15, 182,349.38 and 71,707.79 is: 98,956.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,137.15 : 182,349.38 = 71,707.79 : x
  2. Step 2: Convert to fraction form
    132,137.15/182,349.38 = 71,707.79/x
  3. Step 3: Cross multiply
    132,137.15x = 182,349.38 × 71,707.79
  4. Step 4: Simplify right side
    132,137.15x = 13,075,871,047.67
  5. Step 5: Solve for x
    x = 13,075,871,047.67/132,137.15
  6. Step 6: Final answer
    x = 98,956.81

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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.