Home / 107,130.60-160,513.65-69,633.27

Finding the Fourth Proportional to 107,130.60, 160,513.65 and 69,633.27

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Solution

The fourth proportional to 107,130.60, 160,513.65 and 69,633.27 is: 104,331.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,130.60 : 160,513.65 = 69,633.27 : x
  2. Step 2: Convert to fraction form
    107,130.60/160,513.65 = 69,633.27/x
  3. Step 3: Cross multiply
    107,130.60x = 160,513.65 × 69,633.27
  4. Step 4: Simplify right side
    107,130.60x = 11,177,090,329.14
  5. Step 5: Solve for x
    x = 11,177,090,329.14/107,130.60
  6. Step 6: Final answer
    x = 104,331.45

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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.