Home / 132,136.77-182,349.22-71,707.40

Finding the Fourth Proportional to 132,136.77, 182,349.22 and 71,707.40

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Solution

The fourth proportional to 132,136.77, 182,349.22 and 71,707.40 is: 98,956.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,136.77 : 182,349.22 = 71,707.40 : x
  2. Step 2: Convert to fraction form
    132,136.77/182,349.22 = 71,707.40/x
  3. Step 3: Cross multiply
    132,136.77x = 182,349.22 × 71,707.40
  4. Step 4: Simplify right side
    132,136.77x = 13,075,787,546.48
  5. Step 5: Solve for x
    x = 13,075,787,546.48/132,136.77
  6. Step 6: Final answer
    x = 98,956.46

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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.