Home / 209,637.28-289,295.70-114,142.24

Finding the Fourth Proportional to 209,637.28, 289,295.70 and 114,142.24

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Solution

The fourth proportional to 209,637.28, 289,295.70 and 114,142.24 is: 157,514.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,637.28 : 289,295.70 = 114,142.24 : x
  2. Step 2: Convert to fraction form
    209,637.28/289,295.70 = 114,142.24/x
  3. Step 3: Cross multiply
    209,637.28x = 289,295.70 × 114,142.24
  4. Step 4: Simplify right side
    209,637.28x = 33,020,859,220.37
  5. Step 5: Solve for x
    x = 33,020,859,220.37/209,637.28
  6. Step 6: Final answer
    x = 157,514.25

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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.