Home / 108,464.03-149,688.90-79,914.23

Finding the Fourth Proportional to 108,464.03, 149,688.90 and 79,914.23

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Solution

The fourth proportional to 108,464.03, 149,688.90 and 79,914.23 is: 110,287.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,464.03 : 149,688.90 = 79,914.23 : x
  2. Step 2: Convert to fraction form
    108,464.03/149,688.90 = 79,914.23/x
  3. Step 3: Cross multiply
    108,464.03x = 149,688.90 × 79,914.23
  4. Step 4: Simplify right side
    108,464.03x = 11,962,272,434.60
  5. Step 5: Solve for x
    x = 11,962,272,434.60/108,464.03
  6. Step 6: Final answer
    x = 110,287.93

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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.