Home / 202,849.71-279,911.06-112,191.27

Finding the Fourth Proportional to 202,849.71, 279,911.06 and 112,191.27

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Solution

The fourth proportional to 202,849.71, 279,911.06 and 112,191.27 is: 154,812.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,849.71 : 279,911.06 = 112,191.27 : x
  2. Step 2: Convert to fraction form
    202,849.71/279,911.06 = 112,191.27/x
  3. Step 3: Cross multiply
    202,849.71x = 279,911.06 × 112,191.27
  4. Step 4: Simplify right side
    202,849.71x = 31,403,575,347.93
  5. Step 5: Solve for x
    x = 31,403,575,347.93/202,849.71
  6. Step 6: Final answer
    x = 154,812.03

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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.