Home / 209,637.05-289,304.33-114,148.98

Finding the Fourth Proportional to 209,637.05, 289,304.33 and 114,148.98

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Solution

The fourth proportional to 209,637.05, 289,304.33 and 114,148.98 is: 157,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637.05 : 289,304.33 = 114,148.98 : x
  2. Step 2: Convert to fraction form
    209,637.05/289,304.33 = 114,148.98/x
  3. Step 3: Cross multiply
    209,637.05x = 289,304.33 × 114,148.98
  4. Step 4: Simplify right side
    209,637.05x = 33,023,793,608.34
  5. Step 5: Solve for x
    x = 33,023,793,608.34/209,637.05
  6. Step 6: Final answer
    x = 157,528.43

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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.