Home / 108,209.07-149,325.64-60,462.81

Finding the Fourth Proportional to 108,209.07, 149,325.64 and 60,462.81

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Solution

The fourth proportional to 108,209.07, 149,325.64 and 60,462.81 is: 83,437.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,209.07 : 149,325.64 = 60,462.81 : x
  2. Step 2: Convert to fraction form
    108,209.07/149,325.64 = 60,462.81/x
  3. Step 3: Cross multiply
    108,209.07x = 149,325.64 × 60,462.81
  4. Step 4: Simplify right side
    108,209.07x = 9,028,647,799.45
  5. Step 5: Solve for x
    x = 9,028,647,799.45/108,209.07
  6. Step 6: Final answer
    x = 83,437.07

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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.