Home / 149,033.24-205,561.77-101,203.55

Finding the Fourth Proportional to 149,033.24, 205,561.77 and 101,203.55

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Solution

The fourth proportional to 149,033.24, 205,561.77 and 101,203.55 is: 139,590.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,033.24 : 205,561.77 = 101,203.55 : x
  2. Step 2: Convert to fraction form
    149,033.24/205,561.77 = 101,203.55/x
  3. Step 3: Cross multiply
    149,033.24x = 205,561.77 × 101,203.55
  4. Step 4: Simplify right side
    149,033.24x = 20,803,580,868.28
  5. Step 5: Solve for x
    x = 20,803,580,868.28/149,033.24
  6. Step 6: Final answer
    x = 139,590.21

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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.