Home / 203,177.04-280,376.01-112,527.60

Finding the Fourth Proportional to 203,177.04, 280,376.01 and 112,527.60

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Solution

The fourth proportional to 203,177.04, 280,376.01 and 112,527.60 is: 155,283.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,177.04 : 280,376.01 = 112,527.60 : x
  2. Step 2: Convert to fraction form
    203,177.04/280,376.01 = 112,527.60/x
  3. Step 3: Cross multiply
    203,177.04x = 280,376.01 × 112,527.60
  4. Step 4: Simplify right side
    203,177.04x = 31,550,039,502.88
  5. Step 5: Solve for x
    x = 31,550,039,502.88/203,177.04
  6. Step 6: Final answer
    x = 155,283.49

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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.