Home / 117,532.36-162,083.46-77,174.92

Finding the Fourth Proportional to 117,532.36, 162,083.46 and 77,174.92

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Solution

The fourth proportional to 117,532.36, 162,083.46 and 77,174.92 is: 106,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,532.36 : 162,083.46 = 77,174.92 : x
  2. Step 2: Convert to fraction form
    117,532.36/162,083.46 = 77,174.92/x
  3. Step 3: Cross multiply
    117,532.36x = 162,083.46 × 77,174.92
  4. Step 4: Simplify right side
    117,532.36x = 12,508,778,058.82
  5. Step 5: Solve for x
    x = 12,508,778,058.82/117,532.36
  6. Step 6: Final answer
    x = 106,428.37

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1.5x scale

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.