Home / 134,790.77-186,011.88-74,361.38

Finding the Fourth Proportional to 134,790.77, 186,011.88 and 74,361.38

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Solution

The fourth proportional to 134,790.77, 186,011.88 and 74,361.38 is: 102,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,790.77 : 186,011.88 = 74,361.38 : x
  2. Step 2: Convert to fraction form
    134,790.77/186,011.88 = 74,361.38/x
  3. Step 3: Cross multiply
    134,790.77x = 186,011.88 × 74,361.38
  4. Step 4: Simplify right side
    134,790.77x = 13,832,100,093.19
  5. Step 5: Solve for x
    x = 13,832,100,093.19/134,790.77
  6. Step 6: Final answer
    x = 102,619.05

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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.