Home / 209,637.48-289,305.90-114,148.20

Finding the Fourth Proportional to 209,637.48, 289,305.90 and 114,148.20

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Solution

The fourth proportional to 209,637.48, 289,305.90 and 114,148.20 is: 157,527.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637.48 : 289,305.90 = 114,148.20 : x
  2. Step 2: Convert to fraction form
    209,637.48/289,305.90 = 114,148.20/x
  3. Step 3: Cross multiply
    209,637.48x = 289,305.90 × 114,148.20
  4. Step 4: Simplify right side
    209,637.48x = 33,023,747,734.38
  5. Step 5: Solve for x
    x = 33,023,747,734.38/209,637.48
  6. Step 6: Final answer
    x = 157,527.88

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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.