Home / 130,477.12-195,782.64-63,916

Finding the Fourth Proportional to 130,477.12, 195,782.64 and 63,916

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Solution

The fourth proportional to 130,477.12, 195,782.64 and 63,916 is: 95,906.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,477.12 : 195,782.64 = 63,916 : x
  2. Step 2: Convert to fraction form
    130,477.12/195,782.64 = 63,916/x
  3. Step 3: Cross multiply
    130,477.12x = 195,782.64 × 63,916
  4. Step 4: Simplify right side
    130,477.12x = 12,513,643,218.24
  5. Step 5: Solve for x
    x = 12,513,643,218.24/130,477.12
  6. Step 6: Final answer
    x = 95,906.80

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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.