Home / 132,790.68-183,251.16-72,361.35

Finding the Fourth Proportional to 132,790.68, 183,251.16 and 72,361.35

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Solution

The fourth proportional to 132,790.68, 183,251.16 and 72,361.35 is: 99,858.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.68 : 183,251.16 = 72,361.35 : x
  2. Step 2: Convert to fraction form
    132,790.68/183,251.16 = 72,361.35/x
  3. Step 3: Cross multiply
    132,790.68x = 183,251.16 × 72,361.35
  4. Step 4: Simplify right side
    132,790.68x = 13,260,301,326.67
  5. Step 5: Solve for x
    x = 13,260,301,326.67/132,790.68
  6. Step 6: Final answer
    x = 99,858.67

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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.