Home / 202,569.04-279,539.40-111,923.56

Finding the Fourth Proportional to 202,569.04, 279,539.40 and 111,923.56

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Solution

The fourth proportional to 202,569.04, 279,539.40 and 111,923.56 is: 154,451.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,569.04 : 279,539.40 = 111,923.56 : x
  2. Step 2: Convert to fraction form
    202,569.04/279,539.40 = 111,923.56/x
  3. Step 3: Cross multiply
    202,569.04x = 279,539.40 × 111,923.56
  4. Step 4: Simplify right side
    202,569.04x = 31,287,044,808.26
  5. Step 5: Solve for x
    x = 31,287,044,808.26/202,569.04
  6. Step 6: Final answer
    x = 154,451.27

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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.