Home / 203,126.40-280,312.48-117,053.76

Finding the Fourth Proportional to 203,126.40, 280,312.48 and 117,053.76

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Solution

The fourth proportional to 203,126.40, 280,312.48 and 117,053.76 is: 161,533.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,126.40 : 280,312.48 = 117,053.76 : x
  2. Step 2: Convert to fraction form
    203,126.40/280,312.48 = 117,053.76/x
  3. Step 3: Cross multiply
    203,126.40x = 280,312.48 × 117,053.76
  4. Step 4: Simplify right side
    203,126.40x = 32,811,629,758.92
  5. Step 5: Solve for x
    x = 32,811,629,758.92/203,126.40
  6. Step 6: Final answer
    x = 161,533.06

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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.