Home / 132,621.27-183,041.07-84,872.98

Finding the Fourth Proportional to 132,621.27, 183,041.07 and 84,872.98

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Solution

The fourth proportional to 132,621.27, 183,041.07 and 84,872.98 is: 117,139.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,621.27 : 183,041.07 = 84,872.98 : x
  2. Step 2: Convert to fraction form
    132,621.27/183,041.07 = 84,872.98/x
  3. Step 3: Cross multiply
    132,621.27x = 183,041.07 × 84,872.98
  4. Step 4: Simplify right side
    132,621.27x = 15,535,241,073.29
  5. Step 5: Solve for x
    x = 15,535,241,073.29/132,621.27
  6. Step 6: Final answer
    x = 117,139.89

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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.