Home / 132,730.13-183,167.83-79,017.01

Finding the Fourth Proportional to 132,730.13, 183,167.83 and 79,017.01

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Solution

The fourth proportional to 132,730.13, 183,167.83 and 79,017.01 is: 109,043.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,730.13 : 183,167.83 = 79,017.01 : x
  2. Step 2: Convert to fraction form
    132,730.13/183,167.83 = 79,017.01/x
  3. Step 3: Cross multiply
    132,730.13x = 183,167.83 × 79,017.01
  4. Step 4: Simplify right side
    132,730.13x = 14,473,373,895.64
  5. Step 5: Solve for x
    x = 14,473,373,895.64/132,730.13
  6. Step 6: Final answer
    x = 109,043.62

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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.