Home / 133,152.96-183,752.56-72,725.44

Finding the Fourth Proportional to 133,152.96, 183,752.56 and 72,725.44

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Solution

The fourth proportional to 133,152.96, 183,752.56 and 72,725.44 is: 100,361.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,152.96 : 183,752.56 = 72,725.44 : x
  2. Step 2: Convert to fraction form
    133,152.96/183,752.56 = 72,725.44/x
  3. Step 3: Cross multiply
    133,152.96x = 183,752.56 × 72,725.44
  4. Step 4: Simplify right side
    133,152.96x = 13,363,485,777.13
  5. Step 5: Solve for x
    x = 13,363,485,777.13/133,152.96
  6. Step 6: Final answer
    x = 100,361.91

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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.