Home / 134,020.78-201,994.50-115,524.06

Finding the Fourth Proportional to 134,020.78, 201,994.50 and 115,524.06

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Solution

The fourth proportional to 134,020.78, 201,994.50 and 115,524.06 is: 174,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,020.78 : 201,994.50 = 115,524.06 : x
  2. Step 2: Convert to fraction form
    134,020.78/201,994.50 = 115,524.06/x
  3. Step 3: Cross multiply
    134,020.78x = 201,994.50 × 115,524.06
  4. Step 4: Simplify right side
    134,020.78x = 23,335,224,737.67
  5. Step 5: Solve for x
    x = 23,335,224,737.67/134,020.78
  6. Step 6: Final answer
    x = 174,116.47

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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.