Home / 165,266.72-247,916.46-52,918.72

Finding the Fourth Proportional to 165,266.72, 247,916.46 and 52,918.72

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Solution

The fourth proportional to 165,266.72, 247,916.46 and 52,918.72 is: 79,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,266.72 : 247,916.46 = 52,918.72 : x
  2. Step 2: Convert to fraction form
    165,266.72/247,916.46 = 52,918.72/x
  3. Step 3: Cross multiply
    165,266.72x = 247,916.46 × 52,918.72
  4. Step 4: Simplify right side
    165,266.72x = 13,119,421,730.13
  5. Step 5: Solve for x
    x = 13,119,421,730.13/165,266.72
  6. Step 6: Final answer
    x = 79,383.32

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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.