Home / 149,032.99-205,561.42-101,203.30

Finding the Fourth Proportional to 149,032.99, 205,561.42 and 101,203.30

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Solution

The fourth proportional to 149,032.99, 205,561.42 and 101,203.30 is: 139,589.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,032.99 : 205,561.42 = 101,203.30 : x
  2. Step 2: Convert to fraction form
    149,032.99/205,561.42 = 101,203.30/x
  3. Step 3: Cross multiply
    149,032.99x = 205,561.42 × 101,203.30
  4. Step 4: Simplify right side
    149,032.99x = 20,803,494,056.69
  5. Step 5: Solve for x
    x = 20,803,494,056.69/149,032.99
  6. Step 6: Final answer
    x = 139,589.86

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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.