Home / 202,203.23-279,041.42-111,559.19

Finding the Fourth Proportional to 202,203.23, 279,041.42 and 111,559.19

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Solution

The fourth proportional to 202,203.23, 279,041.42 and 111,559.19 is: 153,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,203.23 : 279,041.42 = 111,559.19 : x
  2. Step 2: Convert to fraction form
    202,203.23/279,041.42 = 111,559.19/x
  3. Step 3: Cross multiply
    202,203.23x = 279,041.42 × 111,559.19
  4. Step 4: Simplify right side
    202,203.23x = 31,129,633,675.34
  5. Step 5: Solve for x
    x = 31,129,633,675.34/202,203.23
  6. Step 6: Final answer
    x = 153,952.21

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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.