Home / 133,057.13-183,617.56-72,628.16

Finding the Fourth Proportional to 133,057.13, 183,617.56 and 72,628.16

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Solution

The fourth proportional to 133,057.13, 183,617.56 and 72,628.16 is: 100,226.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,057.13 : 183,617.56 = 72,628.16 : x
  2. Step 2: Convert to fraction form
    133,057.13/183,617.56 = 72,628.16/x
  3. Step 3: Cross multiply
    133,057.13x = 183,617.56 × 72,628.16
  4. Step 4: Simplify right side
    133,057.13x = 13,335,805,526.49
  5. Step 5: Solve for x
    x = 13,335,805,526.49/133,057.13
  6. Step 6: Final answer
    x = 100,226.16

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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.