Home / 134,015.28-201,986.20-115,518.56

Finding the Fourth Proportional to 134,015.28, 201,986.20 and 115,518.56

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Solution

The fourth proportional to 134,015.28, 201,986.20 and 115,518.56 is: 174,108.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,015.28 : 201,986.20 = 115,518.56 : x
  2. Step 2: Convert to fraction form
    134,015.28/201,986.20 = 115,518.56/x
  3. Step 3: Cross multiply
    134,015.28x = 201,986.20 × 115,518.56
  4. Step 4: Simplify right side
    134,015.28x = 23,333,154,098.34
  5. Step 5: Solve for x
    x = 23,333,154,098.34/134,015.28
  6. Step 6: Final answer
    x = 174,108.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.