Home / 203,534.09-280,693.28-127,060.23

Finding the Fourth Proportional to 203,534.09, 280,693.28 and 127,060.23

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Solution

The fourth proportional to 203,534.09, 280,693.28 and 127,060.23 is: 175,228.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,534.09 : 280,693.28 = 127,060.23 : x
  2. Step 2: Convert to fraction form
    203,534.09/280,693.28 = 127,060.23/x
  3. Step 3: Cross multiply
    203,534.09x = 280,693.28 × 127,060.23
  4. Step 4: Simplify right side
    203,534.09x = 35,664,952,080.95
  5. Step 5: Solve for x
    x = 35,664,952,080.95/203,534.09
  6. Step 6: Final answer
    x = 175,228.40

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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.