Home / 114,246.05-157,637.14-71,779.97

Finding the Fourth Proportional to 114,246.05, 157,637.14 and 71,779.97

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Solution

The fourth proportional to 114,246.05, 157,637.14 and 71,779.97 is: 99,042.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,246.05 : 157,637.14 = 71,779.97 : x
  2. Step 2: Convert to fraction form
    114,246.05/157,637.14 = 71,779.97/x
  3. Step 3: Cross multiply
    114,246.05x = 157,637.14 × 71,779.97
  4. Step 4: Simplify right side
    114,246.05x = 11,315,189,394.73
  5. Step 5: Solve for x
    x = 11,315,189,394.73/114,246.05
  6. Step 6: Final answer
    x = 99,042.29

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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.