Home / 132,790.32-183,248.26-72,361.45

Finding the Fourth Proportional to 132,790.32, 183,248.26 and 72,361.45

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Solution

The fourth proportional to 132,790.32, 183,248.26 and 72,361.45 is: 99,857.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,790.32 : 183,248.26 = 72,361.45 : x
  2. Step 2: Convert to fraction form
    132,790.32/183,248.26 = 72,361.45/x
  3. Step 3: Cross multiply
    132,790.32x = 183,248.26 × 72,361.45
  4. Step 4: Simplify right side
    132,790.32x = 13,260,109,851.73
  5. Step 5: Solve for x
    x = 13,260,109,851.73/132,790.32
  6. Step 6: Final answer
    x = 99,857.50

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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.